diff --git a/OpenSim/Region/Framework/Interfaces/IGroupsMessagingModule.cs b/OpenSim/Region/Framework/Interfaces/IGroupsMessagingModule.cs
new file mode 100644
index 0000000000..f15823659b
--- /dev/null
+++ b/OpenSim/Region/Framework/Interfaces/IGroupsMessagingModule.cs
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using OpenMetaverse;
+using OpenSim.Framework;
+
+namespace OpenSim.Region.Framework.Interfaces
+{
+    /// <summary>
+    /// Provide mechanisms for messaging groups.
+    /// </summary>
+    /// 
+    /// TODO: Provide a mechanism for receiving group messages as well as sending them
+    /// 
+    public interface IGroupsMessagingModule
+    {
+        /// <summary>
+        /// Start a group chat session.
+        /// </summary>
+        /// You must call this before calling SendMessageToGroup().  If a chat session for this group is already taking
+        /// place then the agent will added to that session.
+        /// <param name="agentID">
+        /// A UUID that represents the agent being added.  If you are agentless (e.g. you are
+        /// a region module), then you can use any random ID.
+        /// </param>
+        /// <param name="groupID">
+        /// The ID for the group to join.  Currently, the session ID used is identical to the
+        /// group ID.
+        /// </param>
+        /// <returns>
+        /// True if the chat session was started successfully, false otherwise.
+        /// </returns>
+        bool StartGroupChatSession(UUID agentID, UUID groupID);
+        
+        /// <summary>
+        /// Send a message to an entire group.
+        /// </summary>
+        /// <param name="im">
+        /// The message itself.  The fields that must be populated are
+        /// 
+        /// imSessionID - Populate this with the group ID (session ID and group ID are currently identical)
+        /// fromAgentName - Populate this with whatever arbitrary name you want to show up in the chat dialog
+        /// message - The message itself
+        /// dialog - This must be (byte)InstantMessageDialog.SessionSend
+        /// </param>
+        /// <param name="groupID"></param>
+        void SendMessageToGroup(GridInstantMessage im, UUID groupID);
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsMessagingModule.cs b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsMessagingModule.cs
index 00fe5df046..06aad91f4b 100644
--- a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsMessagingModule.cs
+++ b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsMessagingModule.cs
@@ -28,41 +28,30 @@
 using System;
 using System.Collections.Generic;
 using System.Reflection;
-
-
 using log4net;
 using Mono.Addins;
 using Nini.Config;
-
 using OpenMetaverse;
 using OpenMetaverse.StructuredData;
-
 using OpenSim.Framework;
 using OpenSim.Region.CoreModules.Framework.EventQueue;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
 
-
 using Caps = OpenSim.Framework.Capabilities.Caps;
 
 namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 {
     [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
-    public class GroupsMessagingModule : ISharedRegionModule
+    public class GroupsMessagingModule : ISharedRegionModule, IGroupsMessagingModule
     {
-
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         private List<Scene> m_sceneList = new List<Scene>();
 
         private IMessageTransferModule m_msgTransferModule = null;
 
-        private IGroupsModule m_groupsModule = null;
-
-        // TODO: Move this off to the Groups Server
-        public Dictionary<Guid, List<Guid>> m_agentsInGroupSession = new Dictionary<Guid, List<Guid>>();
-        public Dictionary<Guid, List<Guid>> m_agentsDroppedSession = new Dictionary<Guid, List<Guid>>();
-
+        private IGroupsServicesConnector m_groupData = null;
 
         // Config Options
         private bool m_groupMessagingEnabled = false;
@@ -108,8 +97,12 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
         public void AddRegion(Scene scene)
         {
-            // NoOp
+            if (!m_groupMessagingEnabled)
+                return;
+            
+            scene.RegisterModuleInterface<IGroupsMessagingModule>(this);
         }
+        
         public void RegionLoaded(Scene scene)
         {
             if (!m_groupMessagingEnabled)
@@ -117,12 +110,12 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS-MESSAGING]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
-            m_groupsModule = scene.RequestModuleInterface<IGroupsModule>();
+            m_groupData = scene.RequestModuleInterface<IGroupsServicesConnector>();
 
             // No groups module, no groups messaging
-            if (m_groupsModule == null)
+            if (m_groupData == null)
             {
-                m_log.Error("[GROUPS-MESSAGING]: Could not get IGroupsModule, GroupsMessagingModule is now disabled.");
+                m_log.Error("[GROUPS-MESSAGING]: Could not get IGroupsServicesConnector, GroupsMessagingModule is now disabled.");
                 Close();
                 m_groupMessagingEnabled = false;
                 return;
@@ -144,7 +137,6 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
             scene.EventManager.OnNewClient += OnNewClient;
             scene.EventManager.OnIncomingInstantMessage += OnGridInstantMessage;
-
         }
 
         public void RemoveRegion(Scene scene)
@@ -172,7 +164,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
             m_sceneList.Clear();
 
-            m_groupsModule = null;
+            m_groupData = null;
             m_msgTransferModule = null;
         }
 
@@ -197,6 +189,75 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
         #endregion
 
+        /// <summary>
+        /// Not really needed, but does confirm that the group exists.
+        /// </summary>
+        public bool StartGroupChatSession(UUID agentID, UUID groupID)
+        {
+            if (m_debugEnabled)
+                m_log.DebugFormat("[GROUPS-MESSAGING]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
+                
+            GroupRecord groupInfo = m_groupData.GetGroupRecord(agentID, groupID, null);
+
+            if (groupInfo != null)
+            {
+                return true;
+            }
+            else
+            {
+                return false;
+            }
+        }
+        
+        public void SendMessageToGroup(GridInstantMessage im, UUID groupID)
+        {
+            if (m_debugEnabled) 
+                m_log.DebugFormat("[GROUPS-MESSAGING]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
+
+
+            foreach (GroupMembersData member in m_groupData.GetGroupMembers(UUID.Zero, groupID))
+            {
+                if (m_groupData.hasAgentDroppedGroupChatSession(member.AgentID, groupID))
+                {
+                    // Don't deliver messages to people who have dropped this session
+                    if (m_debugEnabled) m_log.DebugFormat("[GROUPS-MESSAGING]: {0} has dropped session, not delivering to them", member.AgentID);
+                    continue;
+                }
+
+                // Copy Message
+                GridInstantMessage msg = new GridInstantMessage();
+                msg.imSessionID = groupID.Guid;
+                msg.fromAgentName = im.fromAgentName;
+                msg.message = im.message;
+                msg.dialog = im.dialog;
+                msg.offline = im.offline;
+                msg.ParentEstateID = im.ParentEstateID;
+                msg.Position = im.Position;
+                msg.RegionID = im.RegionID;
+                msg.binaryBucket = im.binaryBucket;
+                msg.timestamp = (uint)Util.UnixTimeSinceEpoch();
+
+                msg.fromAgentID = im.fromAgentID;
+                msg.fromGroup = true;
+
+                msg.toAgentID = member.AgentID.Guid;
+
+                IClientAPI client = GetActiveClient(member.AgentID);
+                if (client == null)
+                {
+                    // If they're not local, forward across the grid
+                    if (m_debugEnabled) m_log.DebugFormat("[GROUPS-MESSAGING]: Delivering to {0} via Grid", member.AgentID);
+                    m_msgTransferModule.SendInstantMessage(msg, delegate(bool success) { });
+                }
+                else
+                {
+                    // Deliver locally, directly
+                    if (m_debugEnabled) m_log.DebugFormat("[GROUPS-MESSAGING]: Passing to ProcessMessageFromGroupSession to deliver to {0} locally", client.Name);
+                    ProcessMessageFromGroupSession(msg);
+                }
+            }
+        }
+        
         #region SimGridEventHandlers
 
         private void OnNewClient(IClientAPI client)
@@ -236,42 +297,46 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         {
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS-MESSAGING]: Session message from {0} going to agent {1}", msg.fromAgentName, msg.toAgentID);
 
+            UUID AgentID = new UUID(msg.fromAgentID);
+            UUID GroupID = new UUID(msg.imSessionID);
+
             switch (msg.dialog)
             {
                 case (byte)InstantMessageDialog.SessionAdd:
-                    AddAgentToGroupSession(msg.fromAgentID, msg.imSessionID);
+                    m_groupData.AgentInvitedToGroupChatSession(AgentID, GroupID);
                     break;
 
                 case (byte)InstantMessageDialog.SessionDrop:
-                    RemoveAgentFromGroupSession(msg.fromAgentID, msg.imSessionID);
+                    m_groupData.AgentDroppedFromGroupChatSession(AgentID, GroupID);
                     break;
 
                 case (byte)InstantMessageDialog.SessionSend:
-                    if (!m_agentsInGroupSession.ContainsKey(msg.toAgentID)
-                        && !m_agentsDroppedSession.ContainsKey(msg.toAgentID))
+                    if (!m_groupData.hasAgentDroppedGroupChatSession(AgentID, GroupID)
+                        && !m_groupData.hasAgentBeenInvitedToGroupChatSession(AgentID, GroupID)
+                        )
                     {
                         // Agent not in session and hasn't dropped from session
                         // Add them to the session for now, and Invite them
-                        AddAgentToGroupSession(msg.toAgentID, msg.imSessionID);
+                        m_groupData.AgentInvitedToGroupChatSession(AgentID, GroupID);
 
                         UUID toAgentID = new UUID(msg.toAgentID);
                         IClientAPI activeClient = GetActiveClient(toAgentID);
                         if (activeClient != null)
                         {
-                            UUID groupID = new UUID(msg.fromAgentID);
-
-                            GroupRecord groupInfo = m_groupsModule.GetGroupRecord(groupID);
+                            GroupRecord groupInfo = m_groupData.GetGroupRecord(UUID.Zero, GroupID, null);
                             if (groupInfo != null)
                             {
                                 if (m_debugEnabled) m_log.DebugFormat("[GROUPS-MESSAGING]: Sending chatterbox invite instant message");
 
                                 // Force? open the group session dialog???
+                                // and simultanously deliver the message, so we don't need to do a seperate client.SendInstantMessage(msg);
                                 IEventQueue eq = activeClient.Scene.RequestModuleInterface<IEventQueue>();
                                 eq.ChatterboxInvitation(
-                                    groupID
+                                    GroupID
                                     , groupInfo.GroupName
                                     , new UUID(msg.fromAgentID)
-                                    , msg.message, new UUID(msg.toAgentID)
+                                    , msg.message
+                                    , new UUID(msg.toAgentID)
                                     , msg.fromAgentName
                                     , msg.dialog
                                     , msg.timestamp
@@ -285,7 +350,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                                     );
 
                                 eq.ChatterBoxSessionAgentListUpdates(
-                                    new UUID(groupID)
+                                    new UUID(GroupID)
                                     , new UUID(msg.fromAgentID)
                                     , new UUID(msg.toAgentID)
                                     , false //canVoiceChat
@@ -295,7 +360,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                             }
                         }
                     }
-                    else if (!m_agentsDroppedSession.ContainsKey(msg.toAgentID))
+                    else if (!m_groupData.hasAgentDroppedGroupChatSession(AgentID, GroupID))
                     {
                         // User hasn't dropped, so they're in the session, 
                         // maybe we should deliver it.
@@ -321,56 +386,8 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
         #endregion
 
+
         #region ClientEvents
-
-        private void RemoveAgentFromGroupSession(Guid agentID, Guid sessionID)
-        {
-            if (m_agentsInGroupSession.ContainsKey(sessionID))
-            {
-                // If in session remove
-                if (m_agentsInGroupSession[sessionID].Contains(agentID))
-                {
-                    m_agentsInGroupSession[sessionID].Remove(agentID);
-                }
-
-                // If not in dropped list, add
-                if (!m_agentsDroppedSession[sessionID].Contains(agentID))
-                {
-                    if (m_debugEnabled) m_log.DebugFormat("[GROUPS-MESSAGING]: Dropped {1} from session {0}", sessionID, agentID);
-                    m_agentsDroppedSession[sessionID].Add(agentID);
-                }
-            }
-        }
-
-        private void AddAgentToGroupSession(Guid agentID, Guid sessionID)
-        {
-            // Add Session Status if it doesn't exist for this session
-            CreateGroupSessionTracking(sessionID);
-
-            // If nessesary, remove from dropped list
-            if (m_agentsDroppedSession[sessionID].Contains(agentID))
-            {
-                m_agentsDroppedSession[sessionID].Remove(agentID);
-            }
-
-            // If nessesary, add to in session list
-            if (!m_agentsInGroupSession[sessionID].Contains(agentID))
-            {
-                if (m_debugEnabled) m_log.DebugFormat("[GROUPS-MESSAGING]: Added {1} to session {0}", sessionID, agentID);
-                m_agentsInGroupSession[sessionID].Add(agentID);
-            }
-        }
-
-        private void CreateGroupSessionTracking(Guid sessionID)
-        {
-            if (!m_agentsInGroupSession.ContainsKey(sessionID))
-            {
-                if (m_debugEnabled) m_log.DebugFormat("[GROUPS-MESSAGING]: Creating session tracking for : {0}", sessionID);
-                m_agentsInGroupSession.Add(sessionID, new List<Guid>());
-                m_agentsDroppedSession.Add(sessionID, new List<Guid>());
-            }
-        }
-
         private void OnInstantMessage(IClientAPI remoteClient, GridInstantMessage im)
         {
             if (m_debugEnabled)
@@ -383,21 +400,23 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             // Start group IM session
             if ((im.dialog == (byte)InstantMessageDialog.SessionGroupStart))
             {
-                UUID groupID = new UUID(im.toAgentID);
+                if (m_debugEnabled) m_log.InfoFormat("[GROUPS-MESSAGING]: imSessionID({0}) toAgentID({1})", im.imSessionID, im.toAgentID);
 
-                GroupRecord groupInfo = m_groupsModule.GetGroupRecord(groupID);
+                UUID GroupID = new UUID(im.imSessionID);
+                UUID AgentID = new UUID(im.fromAgentID);
+
+                GroupRecord groupInfo = m_groupData.GetGroupRecord(UUID.Zero, GroupID, null);
+    
                 if (groupInfo != null)
                 {
-                    if (m_debugEnabled) m_log.DebugFormat("[GROUPS-MESSAGING]: Start Group Session for {0}", groupInfo.GroupName);
+                    m_groupData.AgentInvitedToGroupChatSession(AgentID, GroupID);
 
-                    AddAgentToGroupSession(im.fromAgentID, im.imSessionID);
-
-                    ChatterBoxSessionStartReplyViaCaps(remoteClient, groupInfo.GroupName, groupID);
+                    ChatterBoxSessionStartReplyViaCaps(remoteClient, groupInfo.GroupName, GroupID);
 
                     IEventQueue queue = remoteClient.Scene.RequestModuleInterface<IEventQueue>();
                     queue.ChatterBoxSessionAgentListUpdates(
-                        new UUID(groupID)
-                        , new UUID(im.fromAgentID)
+                        GroupID
+                        , AgentID
                         , new UUID(im.toAgentID)
                         , false //canVoiceChat
                         , false //isModerator
@@ -409,64 +428,21 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             // Send a message from locally connected client to a group
             if ((im.dialog == (byte)InstantMessageDialog.SessionSend))
             {
-                UUID groupID = new UUID(im.toAgentID);
+                UUID GroupID = new UUID(im.imSessionID);
+                UUID AgentID = new UUID(im.fromAgentID);
 
-                if (m_debugEnabled) m_log.DebugFormat("[GROUPS-MESSAGING]: Send message to session for group {0} with session ID {1}", groupID, im.imSessionID.ToString());
+                if (m_debugEnabled) 
+                    m_log.DebugFormat("[GROUPS-MESSAGING]: Send message to session for group {0} with session ID {1}", GroupID, im.imSessionID.ToString());
 
-                SendMessageToGroup(im, groupID);
+                //If this agent is sending a message, then they want to be in the session
+                m_groupData.AgentInvitedToGroupChatSession(AgentID, GroupID);
+
+                SendMessageToGroup(im, GroupID);
             }
         }
 
         #endregion
 
-        private void SendMessageToGroup(GridInstantMessage im, UUID groupID)
-        {
-            if (m_debugEnabled) m_log.DebugFormat("[GROUPS-MESSAGING]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
-
-            foreach (GroupMembersData member in m_groupsModule.GroupMembersRequest(null, groupID))
-            {
-                if (!m_agentsDroppedSession.ContainsKey(im.imSessionID) || m_agentsDroppedSession[im.imSessionID].Contains(member.AgentID.Guid))
-                {
-                    // Don't deliver messages to people who have dropped this session
-                    if (m_debugEnabled) m_log.DebugFormat("[GROUPS-MESSAGING]: {0} has dropped session, not delivering to them", member.AgentID);
-                    continue;
-                }
-
-                // Copy Message
-                GridInstantMessage msg = new GridInstantMessage();
-                msg.imSessionID = im.imSessionID;
-                msg.fromAgentName = im.fromAgentName;
-                msg.message = im.message;
-                msg.dialog = im.dialog;
-                msg.offline = im.offline;
-                msg.ParentEstateID = im.ParentEstateID;
-                msg.Position = im.Position;
-                msg.RegionID = im.RegionID;
-                msg.binaryBucket = im.binaryBucket;
-                msg.timestamp = (uint)Util.UnixTimeSinceEpoch();
-
-                // Updat Pertinate fields to make it a "group message"
-                msg.fromAgentID = groupID.Guid;
-                msg.fromGroup = true;
-
-                msg.toAgentID = member.AgentID.Guid;
-
-                IClientAPI client = GetActiveClient(member.AgentID);
-                if (client == null)
-                {
-                    // If they're not local, forward across the grid
-                    if (m_debugEnabled) m_log.DebugFormat("[GROUPS-MESSAGING]: Delivering to {0} via Grid", member.AgentID);
-                    m_msgTransferModule.SendInstantMessage(msg, delegate(bool success) { });
-                }
-                else
-                {
-                    // Deliver locally, directly
-                    if (m_debugEnabled) m_log.DebugFormat("[GROUPS-MESSAGING]: Passing to ProcessMessageFromGroupSession to deliver to {0} locally", client.Name);
-                    ProcessMessageFromGroupSession(msg);
-                }
-            }
-        }
-
         void ChatterBoxSessionStartReplyViaCaps(IClientAPI remoteClient, string groupName, UUID groupID)
         {
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS-MESSAGING]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
@@ -518,6 +494,8 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         /// </summary>
         private IClientAPI GetActiveClient(UUID agentID)
         {
+            if (m_debugEnabled) m_log.WarnFormat("[GROUPS-MESSAGING]: Looking for local client {0}", agentID);
+
             IClientAPI child = null;
 
             // Try root avatar first
@@ -529,16 +507,26 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                     ScenePresence user = (ScenePresence)scene.Entities[agentID];
                     if (!user.IsChildAgent)
                     {
+                        if (m_debugEnabled) m_log.WarnFormat("[GROUPS-MESSAGING]: Found root agent for client : {0}", user.ControllingClient.Name);
                         return user.ControllingClient;
                     }
                     else
                     {
+                        if (m_debugEnabled) m_log.WarnFormat("[GROUPS-MESSAGING]: Found child agent for client : {0}", user.ControllingClient.Name);
                         child = user.ControllingClient;
                     }
                 }
             }
 
             // If we didn't find a root, then just return whichever child we found, or null if none
+            if (child == null)
+            {
+                if (m_debugEnabled) m_log.WarnFormat("[GROUPS-MESSAGING]: Could not find local client for agent : {0}", agentID);
+            }
+            else
+            {
+                if (m_debugEnabled) m_log.WarnFormat("[GROUPS-MESSAGING]: Returning child agent for client : {0}", child.Name);
+            }
             return child;
         }
 
diff --git a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsModule.cs b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsModule.cs
index 8d32e668a0..edd5af79a3 100644
--- a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsModule.cs
+++ b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsModule.cs
@@ -87,16 +87,6 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         
         private IGroupsServicesConnector m_groupData = null;
 
-        class GroupRequestIDInfo
-        {
-            public GroupRequestID RequestID = new GroupRequestID();
-            public DateTime LastUsedTMStamp = DateTime.MinValue;
-        }
-        private Dictionary<UUID, GroupRequestIDInfo> m_clientRequestIDInfo = new Dictionary<UUID, GroupRequestIDInfo>();
-        private const int m_clientRequestIDFlushTimeOut = 300000; // Every 5 minutes
-        private Timer m_clientRequestIDFlushTimer;
-
-
         // Configuration settings
         private bool m_groupsEnabled = false;
         private bool m_groupNoticesEnabled = true;
@@ -133,30 +123,6 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                 m_groupNoticesEnabled   = groupsConfig.GetBoolean("NoticesEnabled", true);
                 m_debugEnabled          = groupsConfig.GetBoolean("DebugEnabled", true);
 
-                m_clientRequestIDFlushTimer = new Timer();
-                m_clientRequestIDFlushTimer.Interval = m_clientRequestIDFlushTimeOut;
-                m_clientRequestIDFlushTimer.Elapsed += FlushClientRequestIDInfoCache;
-                m_clientRequestIDFlushTimer.AutoReset = true;
-                m_clientRequestIDFlushTimer.Start();
-            }
-        }
-
-        void FlushClientRequestIDInfoCache(object sender, ElapsedEventArgs e)
-        {
-            lock (m_clientRequestIDInfo)
-            {
-                TimeSpan cacheTimeout = new TimeSpan(0,0, m_clientRequestIDFlushTimeOut / 1000);
-                UUID[] CurrentKeys = new UUID[m_clientRequestIDInfo.Count];
-                foreach (UUID key in CurrentKeys)
-                {
-                    if (m_clientRequestIDInfo.ContainsKey(key))
-                    {
-                        if (DateTime.Now - m_clientRequestIDInfo[key].LastUsedTMStamp > cacheTimeout)
-                        {
-                            m_clientRequestIDInfo.Remove(key);
-                        }
-                    }
-                }
             }
         }
 
@@ -234,8 +200,6 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                 return;
 
             if (m_debugEnabled) m_log.Debug("[GROUPS]: Shutting down Groups module.");
-
-            m_clientRequestIDFlushTimer.Stop();
         }
 
         public Type ReplaceableInterface 
@@ -272,14 +236,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             // Used for Notices and Group Invites/Accept/Reject
             client.OnInstantMessage += OnInstantMessage;
 
-            lock (m_clientRequestIDInfo)
-            {
-                if (m_clientRequestIDInfo.ContainsKey(client.AgentId))
-                {
-                    // flush any old RequestID information
-                    m_clientRequestIDInfo.Remove(client.AgentId);
-                }
-            }
+            // Send client thier groups information.
             SendAgentGroupDataUpdate(client, client.AgentId);
         }
 
@@ -287,7 +244,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         {
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
-            //GroupMembershipData[] avatarGroups = m_groupData.GetAgentGroupMemberships(GetClientGroupRequestID(remoteClient), avatarID).ToArray();
+            //GroupMembershipData[] avatarGroups = m_groupData.GetAgentGroupMemberships(GetRequestingAgentID(remoteClient), avatarID).ToArray();
             GroupMembershipData[] avatarGroups = GetProfileListedGroupMemberships(remoteClient, avatarID);
             remoteClient.SendAvatarGroupsReply(avatarID, avatarGroups);
         }
@@ -331,10 +288,13 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         {
             if (((DirFindFlags)queryFlags & DirFindFlags.Groups) == DirFindFlags.Groups)
             {
-                if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called with queryText({1}) queryFlags({2}) queryStart({3})", System.Reflection.MethodBase.GetCurrentMethod().Name, queryText, (DirFindFlags)queryFlags, queryStart);
+                if (m_debugEnabled) 
+                    m_log.DebugFormat(
+                        "[GROUPS]: {0} called with queryText({1}) queryFlags({2}) queryStart({3})", 
+                        System.Reflection.MethodBase.GetCurrentMethod().Name, queryText, (DirFindFlags)queryFlags, queryStart);
 
                 // TODO: This currently ignores pretty much all the query flags including Mature and sort order
-                remoteClient.SendDirGroupsReply(queryID, m_groupData.FindGroups(GetClientGroupRequestID(remoteClient), queryText).ToArray());
+                remoteClient.SendDirGroupsReply(queryID, m_groupData.FindGroups(GetRequestingAgentID(remoteClient), queryText).ToArray());
             }
             
         }
@@ -348,7 +308,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             string activeGroupName = string.Empty;
             ulong activeGroupPowers  = (ulong)GroupPowers.None;
 
-            GroupMembershipData membership = m_groupData.GetAgentActiveMembership(GetClientGroupRequestID(remoteClient), dataForAgentID);
+            GroupMembershipData membership = m_groupData.GetAgentActiveMembership(GetRequestingAgentID(remoteClient), dataForAgentID);
             if (membership != null)
             {
                 activeGroupID = membership.GroupID;
@@ -361,13 +321,13 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             SendScenePresenceUpdate(dataForAgentID, activeGroupTitle);
         }
 
-        private void HandleUUIDGroupNameRequest(UUID GroupID,IClientAPI remoteClient)
+        private void HandleUUIDGroupNameRequest(UUID GroupID, IClientAPI remoteClient)
         {
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
             string GroupName;
             
-            GroupRecord group = m_groupData.GetGroupRecord(GetClientGroupRequestID(remoteClient), GroupID, null);
+            GroupRecord group = m_groupData.GetGroupRecord(GetRequestingAgentID(remoteClient), GroupID, null);
             if (group != null)
             {
                 GroupName = group.GroupName;
@@ -388,7 +348,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             if ((im.dialog == (byte)InstantMessageDialog.GroupInvitationAccept) || (im.dialog == (byte)InstantMessageDialog.GroupInvitationDecline))
             {
                 UUID inviteID = new UUID(im.imSessionID);
-                GroupInviteInfo inviteInfo = m_groupData.GetAgentToGroupInvite(GetClientGroupRequestID(remoteClient), inviteID);
+                GroupInviteInfo inviteInfo = m_groupData.GetAgentToGroupInvite(GetRequestingAgentID(remoteClient), inviteID);
 
                 if (inviteInfo == null)
                 {
@@ -407,7 +367,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                         if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: Received an accept invite notice.");
 
                         // and the sessionid is the role
-                        m_groupData.AddAgentToGroup(GetClientGroupRequestID(remoteClient), inviteInfo.AgentID, inviteInfo.GroupID, inviteInfo.RoleID);
+                        m_groupData.AddAgentToGroup(GetRequestingAgentID(remoteClient), inviteInfo.AgentID, inviteInfo.GroupID, inviteInfo.RoleID);
 
                         GridInstantMessage msg = new GridInstantMessage();
                         msg.imSessionID = UUID.Zero.Guid;
@@ -431,14 +391,14 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                         // TODO: If the inviter is still online, they need an agent dataupdate 
                         // and maybe group membership updates for the invitee
 
-                        m_groupData.RemoveAgentToGroupInvite(GetClientGroupRequestID(remoteClient), inviteID);
+                        m_groupData.RemoveAgentToGroupInvite(GetRequestingAgentID(remoteClient), inviteID);
                     }
 
                     // Reject
                     if (im.dialog == (byte)InstantMessageDialog.GroupInvitationDecline)
                     {
                         if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: Received a reject invite notice.");
-                        m_groupData.RemoveAgentToGroupInvite(GetClientGroupRequestID(remoteClient), inviteID);
+                        m_groupData.RemoveAgentToGroupInvite(GetRequestingAgentID(remoteClient), inviteID);
                     }
                 }
             }
@@ -452,7 +412,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                 }
 
                 UUID GroupID = new UUID(im.toAgentID);
-                if (m_groupData.GetGroupRecord(GetClientGroupRequestID(remoteClient), GroupID, null) != null)
+                if (m_groupData.GetGroupRecord(GetRequestingAgentID(remoteClient), GroupID, null) != null)
                 {
                     UUID NoticeID = UUID.Random();
                     string Subject = im.message.Substring(0, im.message.IndexOf('|'));
@@ -496,14 +456,14 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                     }
 
                     
-                    m_groupData.AddGroupNotice(GetClientGroupRequestID(remoteClient), GroupID, NoticeID, im.fromAgentName, Subject, Message, bucket);
+                    m_groupData.AddGroupNotice(GetRequestingAgentID(remoteClient), GroupID, NoticeID, im.fromAgentName, Subject, Message, bucket);
                     if (OnNewGroupNotice != null)
                     {
                         OnNewGroupNotice(GroupID, NoticeID);
                     }
 
                     // Send notice out to everyone that wants notices
-                    foreach (GroupMembersData member in m_groupData.GetGroupMembers(GetClientGroupRequestID(remoteClient), GroupID))
+                    foreach (GroupMembersData member in m_groupData.GetGroupMembers(GetRequestingAgentID(remoteClient), GroupID))
                     {
                          if (m_debugEnabled)
                         {
@@ -549,7 +509,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                 IClientAPI ejectee = GetActiveClient(ejecteeID);
                 if (ejectee != null)
                 {
-                    UUID groupID = new UUID(im.fromAgentID);
+                    UUID groupID = new UUID(im.imSessionID);
                     ejectee.SendAgentDropGroup(groupID);
                 }
             }
@@ -588,20 +548,25 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
         public GroupRecord GetGroupRecord(UUID GroupID)
         {
-            return m_groupData.GetGroupRecord(null, GroupID, null);
+            return m_groupData.GetGroupRecord(UUID.Zero, GroupID, null);
         }
 
+        public GroupRecord GetGroupRecord(string name)
+        {
+            return m_groupData.GetGroupRecord(UUID.Zero, UUID.Zero, name);
+        }
+        
         public void ActivateGroup(IClientAPI remoteClient, UUID groupID)
         {
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
-            m_groupData.SetAgentActiveGroup(GetClientGroupRequestID(remoteClient), remoteClient.AgentId, groupID);
+            m_groupData.SetAgentActiveGroup(GetRequestingAgentID(remoteClient), GetRequestingAgentID(remoteClient), groupID);
 
             // Changing active group changes title, active powers, all kinds of things
             // anyone who is in any region that can see this client, should probably be 
             // updated with new group info.  At a minimum, they should get ScenePresence
             // updated with new title.
-            UpdateAllClientsWithGroupInfo(remoteClient.AgentId);
+            UpdateAllClientsWithGroupInfo(GetRequestingAgentID(remoteClient));
         }
 
         /// <summary>
@@ -611,10 +576,9 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         {
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
-            GroupRequestID grID = GetClientGroupRequestID(remoteClient);
 
-            List<GroupRolesData> agentRoles = m_groupData.GetAgentGroupRoles(grID, remoteClient.AgentId, groupID);
-            GroupMembershipData agentMembership = m_groupData.GetAgentGroupMembership(grID, remoteClient.AgentId, groupID);
+            List<GroupRolesData> agentRoles = m_groupData.GetAgentGroupRoles(GetRequestingAgentID(remoteClient), GetRequestingAgentID(remoteClient), groupID);
+            GroupMembershipData agentMembership = m_groupData.GetAgentGroupMembership(GetRequestingAgentID(remoteClient), GetRequestingAgentID(remoteClient), groupID);
 
             List<GroupTitlesData> titles = new List<GroupTitlesData>();
             foreach (GroupRolesData role in agentRoles)
@@ -636,8 +600,15 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         public List<GroupMembersData> GroupMembersRequest(IClientAPI remoteClient, UUID groupID)
         {
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
+            List<GroupMembersData> data = m_groupData.GetGroupMembers(GetRequestingAgentID(remoteClient), groupID);
 
-            List<GroupMembersData> data = m_groupData.GetGroupMembers(GetClientGroupRequestID(remoteClient), groupID);
+            if (m_debugEnabled)
+            {
+                foreach (GroupMembersData member in data)
+                {
+                    m_log.DebugFormat("[GROUPS]: Member({0}) - IsOwner({1})", member.AgentID, member.IsOwner);
+                }
+            }
 
             return data;
 
@@ -647,21 +618,25 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         {
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
-            List<GroupRolesData> data = m_groupData.GetGroupRoles(GetClientGroupRequestID(remoteClient), groupID);
+            List<GroupRolesData> data = m_groupData.GetGroupRoles(GetRequestingAgentID(remoteClient), groupID);
 
             return data;
-
         }
 
         public List<GroupRoleMembersData> GroupRoleMembersRequest(IClientAPI remoteClient, UUID groupID)
         {
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
-            List<GroupRoleMembersData> data = m_groupData.GetGroupRoleMembers(GetClientGroupRequestID(remoteClient), groupID);
+            List<GroupRoleMembersData> data = m_groupData.GetGroupRoleMembers(GetRequestingAgentID(remoteClient), groupID);
 
+            if (m_debugEnabled)
+            {
+                foreach (GroupRoleMembersData member in data)
+                {
+                    m_log.DebugFormat("[GROUPS]: Member({0}) - Role({1})", member.MemberID, member.RoleID);
+                }
+            }
             return data;
-
-
         }
 
         public GroupProfileData GroupProfileRequest(IClientAPI remoteClient, UUID groupID)
@@ -670,17 +645,16 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
             GroupProfileData profile = new GroupProfileData();
 
-            GroupRequestID grID = GetClientGroupRequestID(remoteClient);
 
-            GroupRecord groupInfo = m_groupData.GetGroupRecord(GetClientGroupRequestID(remoteClient), groupID, null);
+            GroupRecord groupInfo = m_groupData.GetGroupRecord(GetRequestingAgentID(remoteClient), groupID, null);
             if (groupInfo != null)
             {
                 profile.AllowPublish = groupInfo.AllowPublish;
                 profile.Charter = groupInfo.Charter;
                 profile.FounderID = groupInfo.FounderID;
                 profile.GroupID = groupID;
-                profile.GroupMembershipCount = m_groupData.GetGroupMembers(grID, groupID).Count;
-                profile.GroupRolesCount = m_groupData.GetGroupRoles(grID, groupID).Count;
+                profile.GroupMembershipCount = m_groupData.GetGroupMembers(GetRequestingAgentID(remoteClient), groupID).Count;
+                profile.GroupRolesCount = m_groupData.GetGroupRoles(GetRequestingAgentID(remoteClient), groupID).Count;
                 profile.InsigniaID = groupInfo.GroupPicture;
                 profile.MaturePublish = groupInfo.MaturePublish;
                 profile.MembershipFee = groupInfo.MembershipFee;
@@ -691,7 +665,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                 profile.ShowInList = groupInfo.ShowInList;
             }
 
-            GroupMembershipData memberInfo = m_groupData.GetAgentGroupMembership(grID, remoteClient.AgentId, groupID);
+            GroupMembershipData memberInfo = m_groupData.GetAgentGroupMembership(GetRequestingAgentID(remoteClient), GetRequestingAgentID(remoteClient), groupID);
             if (memberInfo != null)
             {
                 profile.MemberTitle = memberInfo.GroupTitle;
@@ -705,40 +679,40 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         {
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
-            return m_groupData.GetAgentGroupMemberships(null, agentID).ToArray();
+            return m_groupData.GetAgentGroupMemberships(UUID.Zero, agentID).ToArray();
         }
 
         public GroupMembershipData GetMembershipData(UUID groupID, UUID agentID)
         {
-            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
+            if (m_debugEnabled) 
+                m_log.DebugFormat(
+                    "[GROUPS]: {0} called with groupID={1}, agentID={2}",
+                    System.Reflection.MethodBase.GetCurrentMethod().Name, groupID, agentID);
 
-            return m_groupData.GetAgentGroupMembership(null, agentID, groupID);
+            return m_groupData.GetAgentGroupMembership(UUID.Zero, agentID, groupID);
         }
 
         public void UpdateGroupInfo(IClientAPI remoteClient, UUID groupID, string charter, bool showInList, UUID insigniaID, int membershipFee, bool openEnrollment, bool allowPublish, bool maturePublish)
         {
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
-            // TODO: Security Check?
-
-            m_groupData.UpdateGroup(GetClientGroupRequestID(remoteClient), groupID, charter, showInList, insigniaID, membershipFee, openEnrollment, allowPublish, maturePublish);
+            // Note: Permissions checking for modification rights is handled by the Groups Server/Service
+            m_groupData.UpdateGroup(GetRequestingAgentID(remoteClient), groupID, charter, showInList, insigniaID, membershipFee, openEnrollment, allowPublish, maturePublish);
         }
 
         public void SetGroupAcceptNotices(IClientAPI remoteClient, UUID groupID, bool acceptNotices, bool listInProfile)
         {
-            // TODO: Security Check?
+            // Note: Permissions checking for modification rights is handled by the Groups Server/Service
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
-            m_groupData.SetAgentGroupInfo(GetClientGroupRequestID(remoteClient), remoteClient.AgentId, groupID, acceptNotices, listInProfile);
+            m_groupData.SetAgentGroupInfo(GetRequestingAgentID(remoteClient), GetRequestingAgentID(remoteClient), groupID, acceptNotices, listInProfile);
         }
 
         public UUID CreateGroup(IClientAPI remoteClient, string name, string charter, bool showInList, UUID insigniaID, int membershipFee, bool openEnrollment, bool allowPublish, bool maturePublish)
         {
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
-            GroupRequestID grID = GetClientGroupRequestID(remoteClient);
-
-            if (m_groupData.GetGroupRecord(grID, UUID.Zero, name) != null)
+            if (m_groupData.GetGroupRecord(GetRequestingAgentID(remoteClient), UUID.Zero, name) != null)
             {
                 remoteClient.SendCreateGroupReply(UUID.Zero, false, "A group with the same name already exists.");
                 return UUID.Zero;
@@ -754,12 +728,12 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                 }
                 money.ApplyGroupCreationCharge(remoteClient.AgentId);
             }
-            UUID groupID = m_groupData.CreateGroup(grID, name, charter, showInList, insigniaID, membershipFee, openEnrollment, allowPublish, maturePublish, remoteClient.AgentId);
+            UUID groupID = m_groupData.CreateGroup(GetRequestingAgentID(remoteClient), name, charter, showInList, insigniaID, membershipFee, openEnrollment, allowPublish, maturePublish, GetRequestingAgentID(remoteClient));
 
             remoteClient.SendCreateGroupReply(groupID, true, "Group created successfullly");
 
             // Update the founder with new group information.
-            SendAgentGroupDataUpdate(remoteClient, remoteClient.AgentId);
+            SendAgentGroupDataUpdate(remoteClient, GetRequestingAgentID(remoteClient));
 
             return groupID;
         }
@@ -770,7 +744,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
             // ToDo: check if agent is a member of group and is allowed to see notices?
 
-            return m_groupData.GetGroupNotices(GetClientGroupRequestID(remoteClient), groupID).ToArray();
+            return m_groupData.GetGroupNotices(GetRequestingAgentID(remoteClient), groupID).ToArray();
         }
 
         /// <summary>
@@ -780,7 +754,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         {
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
-            GroupMembershipData membership = m_groupData.GetAgentActiveMembership(null, avatarID);
+            GroupMembershipData membership = m_groupData.GetAgentActiveMembership(UUID.Zero, avatarID);
             if (membership != null)
             {
                 return membership.GroupTitle;
@@ -795,13 +769,13 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         {
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
-            m_groupData.SetAgentActiveGroupRole(GetClientGroupRequestID(remoteClient), remoteClient.AgentId, groupID, titleRoleID);
+            m_groupData.SetAgentActiveGroupRole(GetRequestingAgentID(remoteClient), GetRequestingAgentID(remoteClient), groupID, titleRoleID);
 
             // TODO: Not sure what all is needed here, but if the active group role change is for the group
             // the client currently has set active, then we need to do a scene presence update too
-            // if (m_groupData.GetAgentActiveMembership(remoteClient.AgentId).GroupID == GroupID)
+            // if (m_groupData.GetAgentActiveMembership(GetRequestingAgentID(remoteClient)).GroupID == GroupID)
                 
-            UpdateAllClientsWithGroupInfo(remoteClient.AgentId);
+            UpdateAllClientsWithGroupInfo(GetRequestingAgentID(remoteClient));
         }
 
 
@@ -811,16 +785,14 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
             // Security Checks are handled in the Groups Service.
 
-            GroupRequestID grID = GetClientGroupRequestID(remoteClient);
-
             switch ((OpenMetaverse.GroupRoleUpdate)updateType)
             {
                 case OpenMetaverse.GroupRoleUpdate.Create:
-                    m_groupData.AddGroupRole(grID, groupID, UUID.Random(), name, description, title, powers);
+                    m_groupData.AddGroupRole(GetRequestingAgentID(remoteClient), groupID, UUID.Random(), name, description, title, powers);
                     break;
 
                 case OpenMetaverse.GroupRoleUpdate.Delete:
-                    m_groupData.RemoveGroupRole(grID, groupID, roleID);
+                    m_groupData.RemoveGroupRole(GetRequestingAgentID(remoteClient), groupID, roleID);
                     break;
 
                 case OpenMetaverse.GroupRoleUpdate.UpdateAll:
@@ -831,7 +803,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                         GroupPowers gp = (GroupPowers)powers;
                         m_log.DebugFormat("[GROUPS]: Role ({0}) updated with Powers ({1}) ({2})", name, powers.ToString(), gp.ToString());
                     }
-                    m_groupData.UpdateGroupRole(grID, groupID, roleID, name, description, title, powers);
+                    m_groupData.UpdateGroupRole(GetRequestingAgentID(remoteClient), groupID, roleID, name, description, title, powers);
                     break;
 
                 case OpenMetaverse.GroupRoleUpdate.NoUpdate:
@@ -842,7 +814,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             }
 
             // TODO: This update really should send out updates for everyone in the role that just got changed.
-            SendAgentGroupDataUpdate(remoteClient, remoteClient.AgentId);
+            SendAgentGroupDataUpdate(remoteClient, GetRequestingAgentID(remoteClient));
         }
 
         public void GroupRoleChanges(IClientAPI remoteClient, UUID groupID, UUID roleID, UUID memberID, uint changes)
@@ -850,18 +822,16 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
             // Todo: Security check
 
-            GroupRequestID grID = GetClientGroupRequestID(remoteClient);
-
             switch (changes)
             {
                 case 0:
                     // Add
-                    m_groupData.AddAgentToGroupRole(grID, memberID, groupID, roleID);
+                    m_groupData.AddAgentToGroupRole(GetRequestingAgentID(remoteClient), memberID, groupID, roleID);
 
                     break;
                 case 1:
                     // Remove
-                    m_groupData.RemoveAgentFromGroupRole(grID, memberID, groupID, roleID);
+                    m_groupData.RemoveAgentFromGroupRole(GetRequestingAgentID(remoteClient), memberID, groupID, roleID);
                     
                     break;
                 default:
@@ -870,25 +840,23 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             }
 
             // TODO: This update really should send out updates for everyone in the role that just got changed.
-            SendAgentGroupDataUpdate(remoteClient, remoteClient.AgentId);
+            SendAgentGroupDataUpdate(remoteClient, GetRequestingAgentID(remoteClient));
         }
 
         public void GroupNoticeRequest(IClientAPI remoteClient, UUID groupNoticeID)
         {
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
-            GroupRequestID grID = GetClientGroupRequestID(remoteClient);
-
-            GroupNoticeInfo data = m_groupData.GetGroupNotice(grID, groupNoticeID);
+            GroupNoticeInfo data = m_groupData.GetGroupNotice(GetRequestingAgentID(remoteClient), groupNoticeID);
 
             if (data != null)
             {
-                GroupRecord groupInfo = m_groupData.GetGroupRecord(grID, data.GroupID, null);
+                GroupRecord groupInfo = m_groupData.GetGroupRecord(GetRequestingAgentID(remoteClient), data.GroupID, null);
 
                 GridInstantMessage msg = new GridInstantMessage();
                 msg.imSessionID = UUID.Zero.Guid;
                 msg.fromAgentID = data.GroupID.Guid;
-                msg.toAgentID = remoteClient.AgentId.Guid;
+                msg.toAgentID = GetRequestingAgentID(remoteClient).Guid;
                 msg.timestamp = (uint)Util.UnixTimeSinceEpoch();
                 msg.fromAgentName = "Group Notice : " + groupInfo == null ? "Unknown" : groupInfo.GroupName;
                 msg.message = data.noticeData.Subject + "|" + data.Message;
@@ -900,7 +868,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                 msg.RegionID = UUID.Zero.Guid;
                 msg.binaryBucket = data.BinaryBucket;
 
-                OutgoingInstantMessage(msg, remoteClient.AgentId);
+                OutgoingInstantMessage(msg, GetRequestingAgentID(remoteClient));
             }
 
         }
@@ -920,7 +888,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             msg.Position = Vector3.Zero;
             msg.RegionID = UUID.Zero.Guid;
 
-            GroupNoticeInfo info = m_groupData.GetGroupNotice(null, groupNoticeID);
+            GroupNoticeInfo info = m_groupData.GetGroupNotice(agentID, groupNoticeID);
             if (info != null)
             {
                 msg.fromAgentID = info.GroupID.Guid;
@@ -947,7 +915,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
             // Send agent information about his groups
-            SendAgentGroupDataUpdate(remoteClient, remoteClient.AgentId);
+            SendAgentGroupDataUpdate(remoteClient, GetRequestingAgentID(remoteClient));
         }
 
         public void JoinGroupRequest(IClientAPI remoteClient, UUID groupID)
@@ -955,19 +923,19 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
             // Should check to see if OpenEnrollment, or if there's an outstanding invitation
-            m_groupData.AddAgentToGroup(GetClientGroupRequestID(remoteClient), remoteClient.AgentId, groupID, UUID.Zero);
+            m_groupData.AddAgentToGroup(GetRequestingAgentID(remoteClient), GetRequestingAgentID(remoteClient), groupID, UUID.Zero);
 
             remoteClient.SendJoinGroupReply(groupID, true);
 
             // Should this send updates to everyone in the group?
-            SendAgentGroupDataUpdate(remoteClient, remoteClient.AgentId);
+            SendAgentGroupDataUpdate(remoteClient, GetRequestingAgentID(remoteClient));
         }
 
         public void LeaveGroupRequest(IClientAPI remoteClient, UUID groupID)
         {
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
-            m_groupData.RemoveAgentFromGroup(GetClientGroupRequestID(remoteClient), remoteClient.AgentId, groupID);
+            m_groupData.RemoveAgentFromGroup(GetRequestingAgentID(remoteClient), GetRequestingAgentID(remoteClient), groupID);
 
             remoteClient.SendLeaveGroupReply(groupID, true);
 
@@ -975,21 +943,20 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
             // SL sends out notifcations to the group messaging session that the person has left
             // Should this also update everyone who is in the group?
-            SendAgentGroupDataUpdate(remoteClient, remoteClient.AgentId);
+            SendAgentGroupDataUpdate(remoteClient, GetRequestingAgentID(remoteClient));
         }
 
         public void EjectGroupMemberRequest(IClientAPI remoteClient, UUID groupID, UUID ejecteeID)
         {
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
-            GroupRequestID grID = GetClientGroupRequestID(remoteClient);
 
             // Todo: Security check?
-            m_groupData.RemoveAgentFromGroup(grID, ejecteeID, groupID);
+            m_groupData.RemoveAgentFromGroup(GetRequestingAgentID(remoteClient), ejecteeID, groupID);
 
-            remoteClient.SendEjectGroupMemberReply(remoteClient.AgentId, groupID, true);
+            remoteClient.SendEjectGroupMemberReply(GetRequestingAgentID(remoteClient), groupID, true);
 
-            GroupRecord groupInfo = m_groupData.GetGroupRecord(grID, groupID, null);
+            GroupRecord groupInfo = m_groupData.GetGroupRecord(GetRequestingAgentID(remoteClient), groupID, null);
             UserProfileData userProfile = m_sceneList[0].CommsManager.UserService.GetUserProfile(ejecteeID);
 
             if ((groupInfo == null) || (userProfile == null))
@@ -1002,7 +969,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             GridInstantMessage msg = new GridInstantMessage();
             
             msg.imSessionID = UUID.Zero.Guid;
-            msg.fromAgentID = remoteClient.AgentId.Guid;
+            msg.fromAgentID = GetRequestingAgentID(remoteClient).Guid;
             // msg.fromAgentID = info.GroupID;
             msg.toAgentID = ejecteeID.Guid;
             //msg.timestamp = (uint)Util.UnixTimeSinceEpoch();
@@ -1028,8 +995,8 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
             msg = new GridInstantMessage();
             msg.imSessionID = UUID.Zero.Guid;
-            msg.fromAgentID = remoteClient.AgentId.Guid;
-            msg.toAgentID = remoteClient.AgentId.Guid;
+            msg.fromAgentID = GetRequestingAgentID(remoteClient).Guid;
+            msg.toAgentID = GetRequestingAgentID(remoteClient).Guid;
             msg.timestamp = 0;
             msg.fromAgentName = remoteClient.Name;
             if (userProfile != null)
@@ -1047,7 +1014,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             msg.Position = Vector3.Zero;
             msg.RegionID = remoteClient.Scene.RegionInfo.RegionID.Guid;
             msg.binaryBucket = new byte[0];
-            OutgoingInstantMessage(msg, remoteClient.AgentId);
+            OutgoingInstantMessage(msg, GetRequestingAgentID(remoteClient));
 
 
             // SL sends out messages to everyone in the group
@@ -1061,13 +1028,12 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
             // Todo: Security check, probably also want to send some kind of notification
             UUID InviteID = UUID.Random();
-            GroupRequestID grid = GetClientGroupRequestID(remoteClient);
 
-            m_groupData.AddAgentToGroupInvite(grid, InviteID, groupID, roleID, invitedAgentID);
+            m_groupData.AddAgentToGroupInvite(GetRequestingAgentID(remoteClient), InviteID, groupID, roleID, invitedAgentID);
 
             // Check to see if the invite went through, if it did not then it's possible
             // the remoteClient did not validate or did not have permission to invite.
-            GroupInviteInfo inviteInfo = m_groupData.GetAgentToGroupInvite(grid, InviteID);
+            GroupInviteInfo inviteInfo = m_groupData.GetAgentToGroupInvite(GetRequestingAgentID(remoteClient), InviteID);
 
             if (inviteInfo != null)
             {
@@ -1079,7 +1045,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
                     msg.imSessionID = inviteUUID;
 
-                    // msg.fromAgentID = remoteClient.AgentId.Guid;
+                    // msg.fromAgentID = GetRequestingAgentID(remoteClient).Guid;
                     msg.fromAgentID = groupID.Guid;
                     msg.toAgentID = invitedAgentID.Guid;
                     //msg.timestamp = (uint)Util.UnixTimeSinceEpoch();
@@ -1132,57 +1098,6 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             return child;
         }
 
-        private GroupRequestID GetClientGroupRequestID(IClientAPI client)
-        {
-            if (client == null)
-            {
-                return new GroupRequestID();
-            }
-
-            lock (m_clientRequestIDInfo)
-            {
-                if (!m_clientRequestIDInfo.ContainsKey(client.AgentId))
-                {
-                    GroupRequestIDInfo info = new GroupRequestIDInfo();
-                    info.RequestID.AgentID = client.AgentId;
-                    info.RequestID.SessionID = client.SessionId;
-
-                    UserProfileData userProfile = m_sceneList[0].CommsManager.UserService.GetUserProfile(client.AgentId);
-                    if (userProfile == null)
-                    {
-                        // This should be impossible.  If I've been passed a reference to a client
-                        // that client should be registered with the UserService.  So something
-                        // is horribly wrong somewhere.
-
-                        m_log.WarnFormat("[GROUPS]: Could not find a user profile for {0} / {1}", client.Name, client.AgentId);
-
-                        // Default to local user service and hope for the best?
-                        info.RequestID.UserServiceURL = m_sceneList[0].CommsManager.NetworkServersInfo.UserURL;
-
-                    }
-                    else if (userProfile is ForeignUserProfileData)
-                    {
-                        // They aren't from around here
-                        ForeignUserProfileData fupd = (ForeignUserProfileData)userProfile;
-                        info.RequestID.UserServiceURL = fupd.UserServerURI;
-                    }
-                    else
-                    {
-                        // They're a local user, use this:
-                        info.RequestID.UserServiceURL = m_sceneList[0].CommsManager.NetworkServersInfo.UserURL;
-                    }
-
-                    m_clientRequestIDInfo.Add(client.AgentId, info);
-                }
-
-                m_clientRequestIDInfo[client.AgentId].LastUsedTMStamp = DateTime.Now;
-
-                return m_clientRequestIDInfo[client.AgentId].RequestID;
-            }
-// Unreachable code!
-//            return new GroupRequestID();
-        }
-
         /// <summary>
         /// Send 'remoteClient' the group membership 'data' for agent 'dataForAgentID'.
         /// </summary>
@@ -1231,6 +1146,11 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             llDataStruct.Add("GroupData", GroupData);
             llDataStruct.Add("NewGroupData", NewGroupData);
 
+            if (m_debugEnabled)
+            {
+                m_log.InfoFormat("[GROUPS]: {0}", OSDParser.SerializeJsonString(llDataStruct));
+            }
+
             IEventQueue queue = remoteClient.Scene.RequestModuleInterface<IEventQueue>();
 
             if (queue != null)
@@ -1308,7 +1228,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         /// <returns></returns>
         private GroupMembershipData[] GetProfileListedGroupMemberships(IClientAPI requestingClient, UUID dataForAgentID)
         {
-            List<GroupMembershipData> membershipData = m_groupData.GetAgentGroupMemberships(GetClientGroupRequestID(requestingClient), dataForAgentID);
+            List<GroupMembershipData> membershipData = m_groupData.GetAgentGroupMemberships(requestingClient.AgentId, dataForAgentID);
             GroupMembershipData[] membershipArray;
 
             if (requestingClient.AgentId != dataForAgentID)
@@ -1330,7 +1250,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                 m_log.InfoFormat("[GROUPS]: Get group membership information for {0} requested by {1}", dataForAgentID, requestingClient.AgentId);
                 foreach (GroupMembershipData membership in membershipArray)
                 {
-                    m_log.InfoFormat("[GROUPS]: {0} :: {1} - {2}", dataForAgentID, membership.GroupName, membership.GroupTitle);
+                    m_log.InfoFormat("[GROUPS]: {0} :: {1} - {2} - {3}", dataForAgentID, membership.GroupName, membership.GroupTitle, membership.GroupPowers);
                 }
             }
 
@@ -1389,6 +1309,23 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         }
 
         #endregion
+
+        private UUID GetRequestingAgentID(IClientAPI client)
+        {
+            UUID requestingAgentID = UUID.Zero;
+            if (client != null)
+            {
+                requestingAgentID = client.AgentId;
+            }
+            return requestingAgentID;
+        }
     }
 
+    public class GroupNoticeInfo
+    {
+        public GroupNoticeData noticeData = new GroupNoticeData();
+        public UUID GroupID = UUID.Zero;
+        public string Message = string.Empty;
+        public byte[] BinaryBucket = new byte[0];
+    }
 }
diff --git a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/IGroupsServicesConnector.cs b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/IGroupsServicesConnector.cs
index 9e0fa2de4a..a046e094cd 100644
--- a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/IGroupsServicesConnector.cs
+++ b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/IGroupsServicesConnector.cs
@@ -36,42 +36,47 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 {
     interface IGroupsServicesConnector
     {
-        UUID CreateGroup(GroupRequestID requestID, string name, string charter, bool showInList, UUID insigniaID, int membershipFee, bool openEnrollment, bool allowPublish, bool maturePublish, UUID founderID);
-        void UpdateGroup(GroupRequestID requestID, UUID groupID, string charter, bool showInList, UUID insigniaID, int membershipFee, bool openEnrollment, bool allowPublish, bool maturePublish);
-        GroupRecord GetGroupRecord(GroupRequestID requestID, UUID GroupID, string GroupName);
-        List<DirGroupsReplyData> FindGroups(GroupRequestID requestID, string search);
-        List<GroupMembersData> GetGroupMembers(GroupRequestID requestID, UUID GroupID);
+        UUID CreateGroup(UUID RequestingAgentID, string name, string charter, bool showInList, UUID insigniaID, int membershipFee, bool openEnrollment, bool allowPublish, bool maturePublish, UUID founderID);
+        void UpdateGroup(UUID RequestingAgentID, UUID groupID, string charter, bool showInList, UUID insigniaID, int membershipFee, bool openEnrollment, bool allowPublish, bool maturePublish);
+        GroupRecord GetGroupRecord(UUID RequestingAgentID, UUID GroupID, string GroupName);
+        List<DirGroupsReplyData> FindGroups(UUID RequestingAgentID, string search);
+        List<GroupMembersData> GetGroupMembers(UUID RequestingAgentID, UUID GroupID);
 
-        void AddGroupRole(GroupRequestID requestID, UUID groupID, UUID roleID, string name, string description, string title, ulong powers);
-        void UpdateGroupRole(GroupRequestID requestID, UUID groupID, UUID roleID, string name, string description, string title, ulong powers);
-        void RemoveGroupRole(GroupRequestID requestID, UUID groupID, UUID roleID);
-        List<GroupRolesData> GetGroupRoles(GroupRequestID requestID, UUID GroupID);
-        List<GroupRoleMembersData> GetGroupRoleMembers(GroupRequestID requestID, UUID GroupID);
+        void AddGroupRole(UUID RequestingAgentID, UUID groupID, UUID roleID, string name, string description, string title, ulong powers);
+        void UpdateGroupRole(UUID RequestingAgentID, UUID groupID, UUID roleID, string name, string description, string title, ulong powers);
+        void RemoveGroupRole(UUID RequestingAgentID, UUID groupID, UUID roleID);
+        List<GroupRolesData> GetGroupRoles(UUID RequestingAgentID, UUID GroupID);
+        List<GroupRoleMembersData> GetGroupRoleMembers(UUID RequestingAgentID, UUID GroupID);
 
-        void AddAgentToGroup(GroupRequestID requestID, UUID AgentID, UUID GroupID, UUID RoleID);
-        void RemoveAgentFromGroup(GroupRequestID requestID, UUID AgentID, UUID GroupID);
+        void AddAgentToGroup(UUID RequestingAgentID, UUID AgentID, UUID GroupID, UUID RoleID);
+        void RemoveAgentFromGroup(UUID RequestingAgentID, UUID AgentID, UUID GroupID);
 
-        void AddAgentToGroupInvite(GroupRequestID requestID, UUID inviteID, UUID groupID, UUID roleID, UUID agentID);
-        GroupInviteInfo GetAgentToGroupInvite(GroupRequestID requestID, UUID inviteID);
-        void RemoveAgentToGroupInvite(GroupRequestID requestID, UUID inviteID);
+        void AddAgentToGroupInvite(UUID RequestingAgentID, UUID inviteID, UUID groupID, UUID roleID, UUID agentID);
+        GroupInviteInfo GetAgentToGroupInvite(UUID RequestingAgentID, UUID inviteID);
+        void RemoveAgentToGroupInvite(UUID RequestingAgentID, UUID inviteID);
 
+        void AddAgentToGroupRole(UUID RequestingAgentID, UUID AgentID, UUID GroupID, UUID RoleID);
+        void RemoveAgentFromGroupRole(UUID RequestingAgentID, UUID AgentID, UUID GroupID, UUID RoleID);
+        List<GroupRolesData> GetAgentGroupRoles(UUID RequestingAgentID, UUID AgentID, UUID GroupID);
 
-        void AddAgentToGroupRole(GroupRequestID requestID, UUID AgentID, UUID GroupID, UUID RoleID);
-        void RemoveAgentFromGroupRole(GroupRequestID requestID, UUID AgentID, UUID GroupID, UUID RoleID);
-        List<GroupRolesData> GetAgentGroupRoles(GroupRequestID requestID, UUID AgentID, UUID GroupID);
+        void SetAgentActiveGroup(UUID RequestingAgentID, UUID AgentID, UUID GroupID);
+        GroupMembershipData GetAgentActiveMembership(UUID RequestingAgentID, UUID AgentID);
 
-        void SetAgentActiveGroup(GroupRequestID requestID, UUID AgentID, UUID GroupID);
-        GroupMembershipData GetAgentActiveMembership(GroupRequestID requestID, UUID AgentID);
+        void SetAgentActiveGroupRole(UUID RequestingAgentID, UUID AgentID, UUID GroupID, UUID RoleID);
+        void SetAgentGroupInfo(UUID RequestingAgentID, UUID AgentID, UUID GroupID, bool AcceptNotices, bool ListInProfile);
 
-        void SetAgentActiveGroupRole(GroupRequestID requestID, UUID AgentID, UUID GroupID, UUID RoleID);
-        void SetAgentGroupInfo(GroupRequestID requestID, UUID AgentID, UUID GroupID, bool AcceptNotices, bool ListInProfile);
+        GroupMembershipData GetAgentGroupMembership(UUID RequestingAgentID, UUID AgentID, UUID GroupID);
+        List<GroupMembershipData> GetAgentGroupMemberships(UUID RequestingAgentID, UUID AgentID);
 
-        GroupMembershipData GetAgentGroupMembership(GroupRequestID requestID, UUID AgentID, UUID GroupID);
-        List<GroupMembershipData> GetAgentGroupMemberships(GroupRequestID requestID, UUID AgentID);
+        void AddGroupNotice(UUID RequestingAgentID, UUID groupID, UUID noticeID, string fromName, string subject, string message, byte[] binaryBucket);
+        GroupNoticeInfo GetGroupNotice(UUID RequestingAgentID, UUID noticeID);
+        List<GroupNoticeData> GetGroupNotices(UUID RequestingAgentID, UUID GroupID);
 
-        void AddGroupNotice(GroupRequestID requestID, UUID groupID, UUID noticeID, string fromName, string subject, string message, byte[] binaryBucket);
-        GroupNoticeInfo GetGroupNotice(GroupRequestID requestID, UUID noticeID);
-        List<GroupNoticeData> GetGroupNotices(GroupRequestID requestID, UUID GroupID);
+        void ResetAgentGroupChatSessions(UUID agentID);
+        bool hasAgentBeenInvitedToGroupChatSession(UUID agentID, UUID groupID);
+        bool hasAgentDroppedGroupChatSession(UUID agentID, UUID groupID);
+        void AgentDroppedFromGroupChatSession(UUID agentID, UUID groupID);
+        void AgentInvitedToGroupChatSession(UUID agentID, UUID groupID);
     }
 
     public class GroupInviteInfo
@@ -81,11 +86,4 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         public UUID AgentID  = UUID.Zero;
         public UUID InviteID = UUID.Zero;
     }
-
-    public class GroupRequestID
-    {
-        public UUID AgentID = UUID.Zero;
-        public string UserServiceURL = string.Empty;
-        public UUID SessionID = UUID.Zero;
-    }
 }
diff --git a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/XmlRpcGroupsServicesConnectorModule.cs b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/XmlRpcGroupsServicesConnectorModule.cs
index 964d0bbbf1..2a60b00e19 100644
--- a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/XmlRpcGroupsServicesConnectorModule.cs
+++ b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/XmlRpcGroupsServicesConnectorModule.cs
@@ -47,9 +47,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
     [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
     public class XmlRpcGroupsServicesConnectorModule : ISharedRegionModule, IGroupsServicesConnector
     {
-        private static readonly ILog m_log =
-            LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
-
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         public const GroupPowers m_DefaultEveryonePowers = GroupPowers.AllowSetHome | 
             GroupPowers.Accountable | 
@@ -61,7 +59,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
         private bool m_connectorEnabled = false;
 
-        private string m_serviceURL = string.Empty;
+        private string m_groupsServerURI = string.Empty;
 
         private bool m_disableKeepAlive = false;
 
@@ -69,6 +67,14 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         private string m_groupWriteKey = string.Empty;
 
 
+        // Used to track which agents are have dropped from a group chat session
+        // Should be reset per agent, on logon
+        // TODO: move this to Flotsam XmlRpc Service
+        // SessionID, List<AgentID>
+        private Dictionary<UUID, List<UUID>> m_groupsAgentsDroppedFromChatSession = new Dictionary<UUID, List<UUID>>();
+        private Dictionary<UUID, List<UUID>> m_groupsAgentsInvitedToChatSession = new Dictionary<UUID, List<UUID>>();
+
+
         #region IRegionModuleBase Members
 
         public string Name
@@ -104,11 +110,11 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
                 m_log.InfoFormat("[GROUPS-CONNECTOR]: Initializing {0}", this.Name);
 
-                m_serviceURL = groupsConfig.GetString("XmlRpcServiceURL", string.Empty);
-                if ((m_serviceURL == null) ||
-                    (m_serviceURL == string.Empty))
+                m_groupsServerURI = groupsConfig.GetString("GroupsServerURI", string.Empty);
+                if ((m_groupsServerURI == null) ||
+                    (m_groupsServerURI == string.Empty))
                 {
-                    m_log.ErrorFormat("Please specify a valid URL for XmlRpcServiceURL in OpenSim.ini, [Groups]");
+                    m_log.ErrorFormat("Please specify a valid URL for GroupsServerURI in OpenSim.ini, [Groups]");
                     m_connectorEnabled = false;
                     return;
                 }
@@ -118,6 +124,9 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                 m_groupReadKey = groupsConfig.GetString("XmlRpcServiceReadKey", string.Empty);
                 m_groupWriteKey = groupsConfig.GetString("XmlRpcServiceWriteKey", string.Empty);
 
+                
+
+
                 // If we got all the config options we need, lets start'er'up
                 m_connectorEnabled = true;
             }
@@ -131,13 +140,17 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         public void AddRegion(OpenSim.Region.Framework.Scenes.Scene scene)
         {
             if (m_connectorEnabled)
+            {
                 scene.RegisterModuleInterface<IGroupsServicesConnector>(this);
+            }
         }
 
         public void RemoveRegion(OpenSim.Region.Framework.Scenes.Scene scene)
         {
             if (scene.RequestModuleInterface<IGroupsServicesConnector>() == this)
+            {
                 scene.UnregisterModuleInterface<IGroupsServicesConnector>(this);
+            }
         }
 
         public void RegionLoaded(OpenSim.Region.Framework.Scenes.Scene scene)
@@ -157,14 +170,12 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
         #endregion
 
-
-
         #region IGroupsServicesConnector Members
 
         /// <summary>
         /// Create a Group, including Everyone and Owners Role, place FounderID in both groups, select Owner as selected role, and newly created group as agent's active role.
         /// </summary>
-        public UUID CreateGroup(GroupRequestID requestID, string name, string charter, bool showInList, UUID insigniaID, 
+        public UUID CreateGroup(UUID requestingAgentID, string name, string charter, bool showInList, UUID insigniaID, 
                                 int membershipFee, bool openEnrollment, bool allowPublish, 
                                 bool maturePublish, UUID founderID)
         {
@@ -236,7 +247,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
 
 
-            Hashtable respData = XmlRpcCall(requestID, "groups.createGroup", param);
+            Hashtable respData = XmlRpcCall(requestingAgentID, "groups.createGroup", param);
 
             if (respData.Contains("error"))
             {
@@ -248,7 +259,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             return UUID.Parse((string)respData["GroupID"]);
         }
 
-        public void UpdateGroup(GroupRequestID requestID, UUID groupID, string charter, bool showInList, 
+        public void UpdateGroup(UUID requestingAgentID, UUID groupID, string charter, bool showInList, 
                                 UUID insigniaID, int membershipFee, bool openEnrollment, 
                                 bool allowPublish, bool maturePublish)
         {
@@ -262,10 +273,10 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             param["AllowPublish"] = allowPublish == true ? 1 : 0;
             param["MaturePublish"] = maturePublish == true ? 1 : 0;
 
-            XmlRpcCall(requestID, "groups.updateGroup", param);
+            XmlRpcCall(requestingAgentID, "groups.updateGroup", param);
         }
 
-        public void AddGroupRole(GroupRequestID requestID, UUID groupID, UUID roleID, string name, string description, 
+        public void AddGroupRole(UUID requestingAgentID, UUID groupID, UUID roleID, string name, string description, 
                                  string title, ulong powers)
         {
             Hashtable param = new Hashtable();
@@ -276,19 +287,19 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             param["Title"] = title;
             param["Powers"] = powers.ToString();
 
-            XmlRpcCall(requestID, "groups.addRoleToGroup", param);
+            XmlRpcCall(requestingAgentID, "groups.addRoleToGroup", param);
         }
 
-        public void RemoveGroupRole(GroupRequestID requestID, UUID groupID, UUID roleID)
+        public void RemoveGroupRole(UUID requestingAgentID, UUID groupID, UUID roleID)
         {
             Hashtable param = new Hashtable();
             param["GroupID"] = groupID.ToString();
             param["RoleID"] = roleID.ToString();
 
-            XmlRpcCall(requestID, "groups.removeRoleFromGroup", param);
+            XmlRpcCall(requestingAgentID, "groups.removeRoleFromGroup", param);
         }
 
-        public void UpdateGroupRole(GroupRequestID requestID, UUID groupID, UUID roleID, string name, string description, 
+        public void UpdateGroupRole(UUID requestingAgentID, UUID groupID, UUID roleID, string name, string description, 
                                     string title, ulong powers)
         {
             Hashtable param = new Hashtable();
@@ -308,10 +319,10 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             }
             param["Powers"] = powers.ToString();
 
-            XmlRpcCall(requestID, "groups.updateGroupRole", param);
+            XmlRpcCall(requestingAgentID, "groups.updateGroupRole", param);
         }
 
-        public GroupRecord GetGroupRecord(GroupRequestID requestID, UUID GroupID, string GroupName)
+        public GroupRecord GetGroupRecord(UUID requestingAgentID, UUID GroupID, string GroupName)
         {
             Hashtable param = new Hashtable();
             if (GroupID != UUID.Zero)
@@ -323,7 +334,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                 param["Name"] = GroupName.ToString();
             }
 
-            Hashtable respData = XmlRpcCall(requestID, "groups.getGroup", param);
+            Hashtable respData = XmlRpcCall(requestingAgentID, "groups.getGroup", param);
 
             if (respData.Contains("error"))
             {
@@ -334,12 +345,12 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
         }
 
-        public GroupProfileData GetMemberGroupProfile(GroupRequestID requestID, UUID GroupID, UUID AgentID)
+        public GroupProfileData GetMemberGroupProfile(UUID requestingAgentID, UUID GroupID, UUID AgentID)
         {
             Hashtable param = new Hashtable();
             param["GroupID"] = GroupID.ToString();
 
-            Hashtable respData = XmlRpcCall(requestID, "groups.getGroup", param);
+            Hashtable respData = XmlRpcCall(requestingAgentID, "groups.getGroup", param);
 
             if (respData.Contains("error"))
             {
@@ -347,38 +358,35 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                 return new GroupProfileData();
             }
 
-            GroupMembershipData MemberInfo = GetAgentGroupMembership(requestID, AgentID, GroupID);
+            GroupMembershipData MemberInfo = GetAgentGroupMembership(requestingAgentID, AgentID, GroupID);
             GroupProfileData MemberGroupProfile = GroupProfileHashtableToGroupProfileData(respData);
 
             MemberGroupProfile.MemberTitle = MemberInfo.GroupTitle;
             MemberGroupProfile.PowersMask = MemberInfo.GroupPowers;
 
             return MemberGroupProfile;
-
         }
 
-
-
-        public void SetAgentActiveGroup(GroupRequestID requestID, UUID AgentID, UUID GroupID)
+        public void SetAgentActiveGroup(UUID requestingAgentID, UUID AgentID, UUID GroupID)
         {
             Hashtable param = new Hashtable();
             param["AgentID"] = AgentID.ToString();
             param["GroupID"] = GroupID.ToString();
 
-            XmlRpcCall(requestID, "groups.setAgentActiveGroup", param);
+            XmlRpcCall(requestingAgentID, "groups.setAgentActiveGroup", param);
         }
 
-        public void SetAgentActiveGroupRole(GroupRequestID requestID, UUID AgentID, UUID GroupID, UUID RoleID)
+        public void SetAgentActiveGroupRole(UUID requestingAgentID, UUID AgentID, UUID GroupID, UUID RoleID)
         {
             Hashtable param = new Hashtable();
             param["AgentID"] = AgentID.ToString();
             param["GroupID"] = GroupID.ToString();
             param["SelectedRoleID"] = RoleID.ToString();
 
-            XmlRpcCall(requestID, "groups.setAgentGroupInfo", param);
+            XmlRpcCall(requestingAgentID, "groups.setAgentGroupInfo", param);
         }
 
-        public void SetAgentGroupInfo(GroupRequestID requestID, UUID AgentID, UUID GroupID, bool AcceptNotices, bool ListInProfile)
+        public void SetAgentGroupInfo(UUID requestingAgentID, UUID AgentID, UUID GroupID, bool AcceptNotices, bool ListInProfile)
         {
             Hashtable param = new Hashtable();
             param["AgentID"] = AgentID.ToString();
@@ -386,11 +394,11 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             param["AcceptNotices"] = AcceptNotices ? "1" : "0";
             param["ListInProfile"] = ListInProfile ? "1" : "0";
 
-            XmlRpcCall(requestID, "groups.setAgentGroupInfo", param);
+            XmlRpcCall(requestingAgentID, "groups.setAgentGroupInfo", param);
 
         }
 
-        public void AddAgentToGroupInvite(GroupRequestID requestID, UUID inviteID, UUID groupID, UUID roleID, UUID agentID)
+        public void AddAgentToGroupInvite(UUID requestingAgentID, UUID inviteID, UUID groupID, UUID roleID, UUID agentID)
         {
             Hashtable param = new Hashtable();
             param["InviteID"] = inviteID.ToString();
@@ -398,16 +406,16 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             param["RoleID"] = roleID.ToString();
             param["GroupID"] = groupID.ToString();
 
-            XmlRpcCall(requestID, "groups.addAgentToGroupInvite", param);
+            XmlRpcCall(requestingAgentID, "groups.addAgentToGroupInvite", param);
 
         }
 
-        public GroupInviteInfo GetAgentToGroupInvite(GroupRequestID requestID, UUID inviteID)
+        public GroupInviteInfo GetAgentToGroupInvite(UUID requestingAgentID, UUID inviteID)
         {
             Hashtable param = new Hashtable();
             param["InviteID"] = inviteID.ToString();
 
-            Hashtable respData = XmlRpcCall(requestID, "groups.getAgentToGroupInvite", param);
+            Hashtable respData = XmlRpcCall(requestingAgentID, "groups.getAgentToGroupInvite", param);
 
             if (respData.Contains("error"))
             {
@@ -423,60 +431,59 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             return inviteInfo;
         }
 
-        public void RemoveAgentToGroupInvite(GroupRequestID requestID, UUID inviteID)
+        public void RemoveAgentToGroupInvite(UUID requestingAgentID, UUID inviteID)
         {
             Hashtable param = new Hashtable();
             param["InviteID"] = inviteID.ToString();
 
-            XmlRpcCall(requestID, "groups.removeAgentToGroupInvite", param);
+            XmlRpcCall(requestingAgentID, "groups.removeAgentToGroupInvite", param);
         }
 
-        public void AddAgentToGroup(GroupRequestID requestID, UUID AgentID, UUID GroupID, UUID RoleID)
+        public void AddAgentToGroup(UUID requestingAgentID, UUID AgentID, UUID GroupID, UUID RoleID)
         {
             Hashtable param = new Hashtable();
             param["AgentID"] = AgentID.ToString();
             param["GroupID"] = GroupID.ToString();
             param["RoleID"] = RoleID.ToString();
 
-            XmlRpcCall(requestID, "groups.addAgentToGroup", param);
+            XmlRpcCall(requestingAgentID, "groups.addAgentToGroup", param);
         }
 
-        public void RemoveAgentFromGroup(GroupRequestID requestID, UUID AgentID, UUID GroupID)
+        public void RemoveAgentFromGroup(UUID requestingAgentID, UUID AgentID, UUID GroupID)
         {
             Hashtable param = new Hashtable();
             param["AgentID"] = AgentID.ToString();
             param["GroupID"] = GroupID.ToString();
 
-            XmlRpcCall(requestID, "groups.removeAgentFromGroup", param);
+            XmlRpcCall(requestingAgentID, "groups.removeAgentFromGroup", param);
         }
 
-        public void AddAgentToGroupRole(GroupRequestID requestID, UUID AgentID, UUID GroupID, UUID RoleID)
+        public void AddAgentToGroupRole(UUID requestingAgentID, UUID AgentID, UUID GroupID, UUID RoleID)
         {
             Hashtable param = new Hashtable();
             param["AgentID"] = AgentID.ToString();
             param["GroupID"] = GroupID.ToString();
             param["RoleID"] = RoleID.ToString();
 
-            XmlRpcCall(requestID, "groups.addAgentToGroupRole", param);
+            XmlRpcCall(requestingAgentID, "groups.addAgentToGroupRole", param);
         }
 
-        public void RemoveAgentFromGroupRole(GroupRequestID requestID, UUID AgentID, UUID GroupID, UUID RoleID)
+        public void RemoveAgentFromGroupRole(UUID requestingAgentID, UUID AgentID, UUID GroupID, UUID RoleID)
         {
             Hashtable param = new Hashtable();
             param["AgentID"] = AgentID.ToString();
             param["GroupID"] = GroupID.ToString();
             param["RoleID"] = RoleID.ToString();
 
-            XmlRpcCall(requestID, "groups.removeAgentFromGroupRole", param);
+            XmlRpcCall(requestingAgentID, "groups.removeAgentFromGroupRole", param);
         }
 
-
-        public List<DirGroupsReplyData> FindGroups(GroupRequestID requestID, string search)
+        public List<DirGroupsReplyData> FindGroups(UUID requestingAgentID, string search)
         {
             Hashtable param = new Hashtable();
             param["Search"] = search;
 
-            Hashtable respData = XmlRpcCall(requestID, "groups.findGroups", param);
+            Hashtable respData = XmlRpcCall(requestingAgentID, "groups.findGroups", param);
 
             List<DirGroupsReplyData> findings = new List<DirGroupsReplyData>();
 
@@ -498,13 +505,13 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             return findings;
         }
 
-        public GroupMembershipData GetAgentGroupMembership(GroupRequestID requestID, UUID AgentID, UUID GroupID)
+        public GroupMembershipData GetAgentGroupMembership(UUID requestingAgentID, UUID AgentID, UUID GroupID)
         {
             Hashtable param = new Hashtable();
             param["AgentID"] = AgentID.ToString();
             param["GroupID"] = GroupID.ToString();
 
-            Hashtable respData = XmlRpcCall(requestID, "groups.getAgentGroupMembership", param);
+            Hashtable respData = XmlRpcCall(requestingAgentID, "groups.getAgentGroupMembership", param);
 
             if (respData.Contains("error"))
             {
@@ -516,12 +523,12 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             return data;
         }
 
-        public GroupMembershipData GetAgentActiveMembership(GroupRequestID requestID, UUID AgentID)
+        public GroupMembershipData GetAgentActiveMembership(UUID requestingAgentID, UUID AgentID)
         {
             Hashtable param = new Hashtable();
             param["AgentID"] = AgentID.ToString();
 
-            Hashtable respData = XmlRpcCall(requestID, "groups.getAgentActiveMembership", param);
+            Hashtable respData = XmlRpcCall(requestingAgentID, "groups.getAgentActiveMembership", param);
 
             if (respData.Contains("error"))
             {
@@ -531,13 +538,12 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             return HashTableToGroupMembershipData(respData);
         }
 
-
-        public List<GroupMembershipData> GetAgentGroupMemberships(GroupRequestID requestID, UUID AgentID)
+        public List<GroupMembershipData> GetAgentGroupMemberships(UUID requestingAgentID, UUID AgentID)
         {
             Hashtable param = new Hashtable();
             param["AgentID"] = AgentID.ToString();
 
-            Hashtable respData = XmlRpcCall(requestID, "groups.getAgentGroupMemberships", param);
+            Hashtable respData = XmlRpcCall(requestingAgentID, "groups.getAgentGroupMemberships", param);
 
             List<GroupMembershipData> memberships = new List<GroupMembershipData>();
 
@@ -552,13 +558,13 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             return memberships;
         }
 
-        public List<GroupRolesData> GetAgentGroupRoles(GroupRequestID requestID, UUID AgentID, UUID GroupID)
+        public List<GroupRolesData> GetAgentGroupRoles(UUID requestingAgentID, UUID AgentID, UUID GroupID)
         {
             Hashtable param = new Hashtable();
             param["AgentID"] = AgentID.ToString();
             param["GroupID"] = GroupID.ToString();
 
-            Hashtable respData = XmlRpcCall(requestID, "groups.getAgentRoles", param);
+            Hashtable respData = XmlRpcCall(requestingAgentID, "groups.getAgentRoles", param);
 
             List<GroupRolesData> Roles = new List<GroupRolesData>();
 
@@ -584,12 +590,12 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
         }
 
-        public List<GroupRolesData> GetGroupRoles(GroupRequestID requestID, UUID GroupID)
+        public List<GroupRolesData> GetGroupRoles(UUID requestingAgentID, UUID GroupID)
         {
             Hashtable param = new Hashtable();
             param["GroupID"] = GroupID.ToString();
 
-            Hashtable respData = XmlRpcCall(requestID, "groups.getGroupRoles", param);
+            Hashtable respData = XmlRpcCall(requestingAgentID, "groups.getGroupRoles", param);
 
             List<GroupRolesData> Roles = new List<GroupRolesData>();
 
@@ -617,12 +623,12 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
 
 
-        public List<GroupMembersData> GetGroupMembers(GroupRequestID requestID, UUID GroupID)
+        public List<GroupMembersData> GetGroupMembers(UUID requestingAgentID, UUID GroupID)
         {
             Hashtable param = new Hashtable();
             param["GroupID"] = GroupID.ToString();
 
-            Hashtable respData = XmlRpcCall(requestID, "groups.getGroupMembers", param);
+            Hashtable respData = XmlRpcCall(requestingAgentID, "groups.getGroupMembers", param);
 
             List<GroupMembersData> members = new List<GroupMembersData>();
 
@@ -650,12 +656,12 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
         }
 
-        public List<GroupRoleMembersData> GetGroupRoleMembers(GroupRequestID requestID, UUID GroupID)
+        public List<GroupRoleMembersData> GetGroupRoleMembers(UUID requestingAgentID, UUID GroupID)
         {
             Hashtable param = new Hashtable();
             param["GroupID"] = GroupID.ToString();
 
-            Hashtable respData = XmlRpcCall(requestID, "groups.getGroupRoleMembers", param);
+            Hashtable respData = XmlRpcCall(requestingAgentID, "groups.getGroupRoleMembers", param);
 
             List<GroupRoleMembersData> members = new List<GroupRoleMembersData>();
 
@@ -674,12 +680,12 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             return members;
         }
 
-        public List<GroupNoticeData> GetGroupNotices(GroupRequestID requestID, UUID GroupID)
+        public List<GroupNoticeData> GetGroupNotices(UUID requestingAgentID, UUID GroupID)
         {
             Hashtable param = new Hashtable();
             param["GroupID"] = GroupID.ToString();
 
-            Hashtable respData = XmlRpcCall(requestID, "groups.getGroupNotices", param);
+            Hashtable respData = XmlRpcCall(requestingAgentID, "groups.getGroupNotices", param);
 
             List<GroupNoticeData> values = new List<GroupNoticeData>();
 
@@ -701,12 +707,12 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             return values;
 
         }
-        public GroupNoticeInfo GetGroupNotice(GroupRequestID requestID, UUID noticeID)
+        public GroupNoticeInfo GetGroupNotice(UUID requestingAgentID, UUID noticeID)
         {
             Hashtable param = new Hashtable();
             param["NoticeID"] = noticeID.ToString();
 
-            Hashtable respData = XmlRpcCall(requestID, "groups.getGroupNotice", param);
+            Hashtable respData = XmlRpcCall(requestingAgentID, "groups.getGroupNotice", param);
 
 
             if (respData.Contains("error"))
@@ -732,7 +738,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
             return data;
         }
-        public void AddGroupNotice(GroupRequestID requestID, UUID groupID, UUID noticeID, string fromName, string subject, string message, byte[] binaryBucket)
+        public void AddGroupNotice(UUID requestingAgentID, UUID groupID, UUID noticeID, string fromName, string subject, string message, byte[] binaryBucket)
         {
             string binBucket = OpenMetaverse.Utils.BytesToHexString(binaryBucket, "");
 
@@ -745,7 +751,70 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             param["BinaryBucket"] = binBucket;
             param["TimeStamp"] = ((uint)Util.UnixTimeSinceEpoch()).ToString();
 
-            XmlRpcCall(requestID, "groups.addGroupNotice", param);
+            XmlRpcCall(requestingAgentID, "groups.addGroupNotice", param);
+        }
+
+
+
+        #endregion
+
+        #region GroupSessionTracking
+
+        public void ResetAgentGroupChatSessions(UUID agentID)
+        {
+            foreach (List<UUID> agentList in m_groupsAgentsDroppedFromChatSession.Values)
+            {
+                agentList.Remove(agentID);
+            }
+        }
+
+        public bool hasAgentBeenInvitedToGroupChatSession(UUID agentID, UUID groupID)
+        {
+            // If we're  tracking this group, and we can find them in the tracking, then they've been invited
+            return m_groupsAgentsInvitedToChatSession.ContainsKey(groupID)
+                && m_groupsAgentsInvitedToChatSession[groupID].Contains(agentID);
+        }
+
+        public bool hasAgentDroppedGroupChatSession(UUID agentID, UUID groupID)
+        {
+            // If we're tracking drops for this group, 
+            // and we find them, well... then they've dropped
+            return m_groupsAgentsDroppedFromChatSession.ContainsKey(groupID) 
+                && m_groupsAgentsDroppedFromChatSession[groupID].Contains(agentID);
+        }
+
+        public void AgentDroppedFromGroupChatSession(UUID agentID, UUID groupID)
+        {
+            if (m_groupsAgentsDroppedFromChatSession.ContainsKey(groupID))
+            {
+                // If not in dropped list, add
+                if (!m_groupsAgentsDroppedFromChatSession[groupID].Contains(agentID))
+                {
+                    m_groupsAgentsDroppedFromChatSession[groupID].Add(agentID);
+                }
+            }
+        }
+
+        public void AgentInvitedToGroupChatSession(UUID agentID, UUID groupID)
+        {
+            // Add Session Status if it doesn't exist for this session
+            CreateGroupChatSessionTracking(groupID);
+
+            // If nessesary, remove from dropped list
+            if (m_groupsAgentsDroppedFromChatSession[groupID].Contains(agentID))
+            {
+                m_groupsAgentsDroppedFromChatSession[groupID].Remove(agentID);
+            }
+        }
+
+        private void CreateGroupChatSessionTracking(UUID groupID)
+        {
+            if (!m_groupsAgentsDroppedFromChatSession.ContainsKey(groupID))
+            {
+                m_groupsAgentsDroppedFromChatSession.Add(groupID, new List<UUID>());
+                m_groupsAgentsInvitedToChatSession.Add(groupID, new List<UUID>());
+            }
+
         }
         #endregion
 
@@ -778,7 +847,6 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
         private GroupRecord GroupProfileHashtableToGroupRecord(Hashtable groupProfile)
         {
-
             GroupRecord group = new GroupRecord();
             group.GroupID = UUID.Parse((string)groupProfile["GroupID"]);
             group.GroupName = groupProfile["Name"].ToString();
@@ -797,6 +865,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
             return group;
         }
+        
         private static GroupMembershipData HashTableToGroupMembershipData(Hashtable respData)
         {
             GroupMembershipData data = new GroupMembershipData();
@@ -829,6 +898,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             data.MembershipFee = int.Parse((string)respData["MembershipFee"]);
             data.OpenEnrollment = ((string)respData["OpenEnrollment"] == "1");
             data.ShowInList = ((string)respData["ShowInList"] == "1");
+            
             return data;
         }
 
@@ -837,15 +907,14 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         /// <summary>
         /// Encapsulate the XmlRpc call to standardize security and error handling.
         /// </summary>
-        private Hashtable XmlRpcCall(GroupRequestID requestID, string function, Hashtable param)
+        private Hashtable XmlRpcCall(UUID requestingAgentID, string function, Hashtable param)
         {
-            if (requestID == null)
-            {
-                requestID = new GroupRequestID();
-            }
-            param.Add("RequestingAgentID", requestID.AgentID.ToString());
-            param.Add("RequestingAgentUserService", requestID.UserServiceURL);
-            param.Add("RequestingSessionID", requestID.SessionID.ToString());
+            string UserService;
+            UUID SessionID;
+            GetClientGroupRequestID(requestingAgentID, out UserService, out SessionID);
+            param.Add("requestingAgentID", requestingAgentID.ToString());
+            param.Add("RequestingAgentUserService", UserService);
+            param.Add("RequestingSessionID", SessionID.ToString());
             
 
             param.Add("ReadKey", m_groupReadKey);
@@ -862,7 +931,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 
             try
             {
-                resp = req.Send(m_serviceURL, 10000);
+                resp = req.Send(m_groupsServerURI, 10000);
             }
             catch (Exception e)
             {
@@ -936,15 +1005,49 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             }
         }
 
+        
+        /// <summary>
+        /// Group Request Tokens are an attempt to allow the groups service to authenticate 
+        /// requests.  
+        /// TODO: This broke after the big grid refactor, either find a better way, or discard this
+        /// </summary>
+        /// <param name="client"></param>
+        /// <returns></returns>
+        private void GetClientGroupRequestID(UUID AgentID, out string UserServiceURL, out UUID SessionID)
+        {
+            UserServiceURL = "";
+            SessionID = UUID.Zero;
 
-    }
 
-    public class GroupNoticeInfo
-    {
-        public GroupNoticeData noticeData = new GroupNoticeData();
-        public UUID GroupID = UUID.Zero;
-        public string Message = string.Empty;
-        public byte[] BinaryBucket = new byte[0];
+            // Need to rework this based on changes to User Services
+            /*
+            UserAccount userAccount = m_accountService.GetUserAccount(UUID.Zero,AgentID);
+            if (userAccount == null)
+            {
+                // This should be impossible.  If I've been passed a reference to a client
+                // that client should be registered with the UserService.  So something
+                // is horribly wrong somewhere.
+
+                m_log.WarnFormat("[GROUPS]: Could not find a UserServiceURL for {0}", AgentID);
+
+            }
+            else if (userProfile is ForeignUserProfileData)
+            {
+                // They aren't from around here
+                ForeignUserProfileData fupd = (ForeignUserProfileData)userProfile;
+                UserServiceURL = fupd.UserServerURI;
+                SessionID = fupd.CurrentAgent.SessionID;
+
+            }
+            else
+            {
+                // They're a local user, use this:
+                UserServiceURL = m_commManager.NetworkServersInfo.UserURL;
+                SessionID = userProfile.CurrentAgent.SessionID;
+            }
+            */
+        }
+        
     }
 }
 
diff --git a/bin/OpenSim.ini.example b/bin/OpenSim.ini.example
index c4b421ddda..8504c7a233 100644
--- a/bin/OpenSim.ini.example
+++ b/bin/OpenSim.ini.example
@@ -1314,10 +1314,13 @@
     ;MessagingModule = GroupsMessagingModule
     ;MessagingEnabled = true
 
-    ; Service connector to Groups Service [Select One]
-    ; XmlRpc Service Connector to the Flotsam XmlRpc Groups Service Implementation
+    ; Service connector to Groups Service [Select One] ServicesConnectorModule
+
+    ; XmlRpc Service Connector to the Flotsam XmlRpc Groups Service settings
     ;ServicesConnectorModule = XmlRpcGroupsServicesConnector
-    ;XmlRpcServiceURL        = http://yourxmlrpcserver.com/xmlrpc.php
+    ;GroupsServerURI        = http://yourxmlrpcserver.com/xmlrpc.php
+
+    ; XmlRpc Service Settings
     ;XmlRpcServiceReadKey    = 1234
     ;XmlRpcServiceWriteKey   = 1234
 
diff --git a/bin/config-include/GridCommon.ini.example b/bin/config-include/GridCommon.ini.example
index 6da0f1e8a1..8fc24256e9 100644
--- a/bin/config-include/GridCommon.ini.example
+++ b/bin/config-include/GridCommon.ini.example
@@ -20,6 +20,12 @@
     ; change this to your grid-wide grid server
     ;
     GridServerURI = "http://mygridserver.com:8003"
+[Groups]
+    ;
+    ; change this to your grid-wide groups server
+    ;
+    GroupsServerURI = "http://mygridserver.com:82/Grid/"
+
 
 [Modules]
     ;; Choose 0 or 1 cache modules, and the corresponding config file, if it exists.