diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs
index 9179dc73f7..e13ee42976 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs
@@ -62,6 +62,11 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
 
         private InventoryCache m_Cache = new InventoryCache();
 
+        /// <summary>
+        /// Used to serialize inventory requests.
+        /// </summary>
+        private object m_Lock = new object();
+
         protected IUserManagement m_UserManagement;
         protected IUserManagement UserManagementModule
         {
@@ -301,7 +306,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
 
         public bool CreateUserInventory(UUID userID)
         {
-            return m_LocalGridInventoryService.CreateUserInventory(userID);
+            lock (m_Lock)
+                return m_LocalGridInventoryService.CreateUserInventory(userID);
         }
 
         public List<InventoryFolderBase> GetInventorySkeleton(UUID userID)
@@ -309,7 +315,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             string invURL = GetInventoryServiceURL(userID);
 
             if (invURL == null) // not there, forward to local inventory connector to resolve
-                return m_LocalGridInventoryService.GetInventorySkeleton(userID);
+                lock (m_Lock)
+                    return m_LocalGridInventoryService.GetInventorySkeleton(userID);
 
             IInventoryService connector = GetConnector(invURL);
 
@@ -326,7 +333,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             string invURL = GetInventoryServiceURL(userID);
 
             if (invURL == null) // not there, forward to local inventory connector to resolve
-                return m_LocalGridInventoryService.GetRootFolder(userID);
+                lock (m_Lock)
+                    return m_LocalGridInventoryService.GetRootFolder(userID);
 
             IInventoryService connector = GetConnector(invURL);
 
@@ -347,7 +355,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             string invURL = GetInventoryServiceURL(userID);
 
             if (invURL == null) // not there, forward to local inventory connector to resolve
-                return m_LocalGridInventoryService.GetFolderForType(userID, type);
+                lock (m_Lock)
+                    return m_LocalGridInventoryService.GetFolderForType(userID, type);
 
             IInventoryService connector = GetConnector(invURL);
 
@@ -365,7 +374,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             string invURL = GetInventoryServiceURL(userID);
 
             if (invURL == null) // not there, forward to local inventory connector to resolve
-                return m_LocalGridInventoryService.GetFolderContent(userID, folderID);
+                lock (m_Lock)
+                    return m_LocalGridInventoryService.GetFolderContent(userID, folderID);
 
             InventoryCollection c = m_Cache.GetFolderContent(userID, folderID);
             if (c != null)
@@ -375,8 +385,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             }
 
             IInventoryService connector = GetConnector(invURL);
-            return connector.GetFolderContent(userID, folderID);
 
+            return connector.GetFolderContent(userID, folderID);
         }
 
         public List<InventoryItemBase> GetFolderItems(UUID userID, UUID folderID)
@@ -386,7 +396,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             string invURL = GetInventoryServiceURL(userID);
 
             if (invURL == null) // not there, forward to local inventory connector to resolve
-                return m_LocalGridInventoryService.GetFolderItems(userID, folderID);
+                lock (m_Lock)
+                    return m_LocalGridInventoryService.GetFolderItems(userID, folderID);
 
             List<InventoryItemBase> items = m_Cache.GetFolderItems(userID, folderID);
             if (items != null)
@@ -396,8 +407,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             }
 
             IInventoryService connector = GetConnector(invURL);
-            return connector.GetFolderItems(userID, folderID);
 
+            return connector.GetFolderItems(userID, folderID);
         }
 
         public bool AddFolder(InventoryFolderBase folder)
@@ -410,7 +421,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             string invURL = GetInventoryServiceURL(folder.Owner);
 
             if (invURL == null) // not there, forward to local inventory connector to resolve
-                return m_LocalGridInventoryService.AddFolder(folder);
+                lock (m_Lock)
+                    return m_LocalGridInventoryService.AddFolder(folder);
 
             IInventoryService connector = GetConnector(invURL);
 
@@ -427,7 +439,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             string invURL = GetInventoryServiceURL(folder.Owner);
 
             if (invURL == null) // not there, forward to local inventory connector to resolve
-                return m_LocalGridInventoryService.UpdateFolder(folder);
+                lock (m_Lock)
+                    return m_LocalGridInventoryService.UpdateFolder(folder);
 
             IInventoryService connector = GetConnector(invURL);
 
@@ -446,7 +459,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             string invURL = GetInventoryServiceURL(ownerID);
 
             if (invURL == null) // not there, forward to local inventory connector to resolve
-                return m_LocalGridInventoryService.DeleteFolders(ownerID, folderIDs);
+                lock (m_Lock)
+                    return m_LocalGridInventoryService.DeleteFolders(ownerID, folderIDs);
 
             IInventoryService connector = GetConnector(invURL);
 
@@ -463,7 +477,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             string invURL = GetInventoryServiceURL(folder.Owner);
 
             if (invURL == null) // not there, forward to local inventory connector to resolve
-                return m_LocalGridInventoryService.MoveFolder(folder);
+                lock (m_Lock)
+                    return m_LocalGridInventoryService.MoveFolder(folder);
 
             IInventoryService connector = GetConnector(invURL);
 
@@ -480,7 +495,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             string invURL = GetInventoryServiceURL(folder.Owner);
 
             if (invURL == null) // not there, forward to local inventory connector to resolve
-                return m_LocalGridInventoryService.PurgeFolder(folder);
+                lock (m_Lock)
+                    return m_LocalGridInventoryService.PurgeFolder(folder);
 
             IInventoryService connector = GetConnector(invURL);
 
@@ -497,7 +513,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             string invURL = GetInventoryServiceURL(item.Owner);
 
             if (invURL == null) // not there, forward to local inventory connector to resolve
-                return m_LocalGridInventoryService.AddItem(item);
+                lock (m_Lock)
+                    return m_LocalGridInventoryService.AddItem(item);
 
             IInventoryService connector = GetConnector(invURL);
 
@@ -514,7 +531,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             string invURL = GetInventoryServiceURL(item.Owner);
 
             if (invURL == null) // not there, forward to local inventory connector to resolve
-                return m_LocalGridInventoryService.UpdateItem(item);
+                lock (m_Lock)
+                    return m_LocalGridInventoryService.UpdateItem(item);
 
             IInventoryService connector = GetConnector(invURL);
 
@@ -533,7 +551,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             string invURL = GetInventoryServiceURL(ownerID);
 
             if (invURL == null) // not there, forward to local inventory connector to resolve
-                return m_LocalGridInventoryService.MoveItems(ownerID, items);
+                lock (m_Lock)
+                    return m_LocalGridInventoryService.MoveItems(ownerID, items);
 
             IInventoryService connector = GetConnector(invURL);
 
@@ -552,7 +571,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             string invURL = GetInventoryServiceURL(ownerID);
 
             if (invURL == null) // not there, forward to local inventory connector to resolve
-                return m_LocalGridInventoryService.DeleteItems(ownerID, itemIDs);
+                lock (m_Lock)
+                    return m_LocalGridInventoryService.DeleteItems(ownerID, itemIDs);
 
             IInventoryService connector = GetConnector(invURL);
 
@@ -568,7 +588,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             string invURL = GetInventoryServiceURL(item.Owner);
 
             if (invURL == null) // not there, forward to local inventory connector to resolve
-                return m_LocalGridInventoryService.GetItem(item);
+                lock (m_Lock)
+                    return m_LocalGridInventoryService.GetItem(item);
 
             IInventoryService connector = GetConnector(invURL);
 
@@ -585,7 +606,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             string invURL = GetInventoryServiceURL(folder.Owner);
 
             if (invURL == null) // not there, forward to local inventory connector to resolve
-                return m_LocalGridInventoryService.GetFolder(folder);
+                lock (m_Lock)
+                    return m_LocalGridInventoryService.GetFolder(folder);
 
             IInventoryService connector = GetConnector(invURL);
 
@@ -609,7 +631,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             string invURL = GetInventoryServiceURL(userID);
 
             if (invURL == null) // not there, forward to local inventory connector to resolve
-                return m_LocalGridInventoryService.GetAssetPermissions(userID, assetID);
+                lock (m_Lock)
+                    return m_LocalGridInventoryService.GetAssetPermissions(userID, assetID);
 
             IInventoryService connector = GetConnector(invURL);
 
diff --git a/OpenSim/Services/Connectors/Inventory/XInventoryServicesConnector.cs b/OpenSim/Services/Connectors/Inventory/XInventoryServicesConnector.cs
index 93f9d48041..574de892ce 100644
--- a/OpenSim/Services/Connectors/Inventory/XInventoryServicesConnector.cs
+++ b/OpenSim/Services/Connectors/Inventory/XInventoryServicesConnector.cs
@@ -62,8 +62,6 @@ namespace OpenSim.Services.Connectors
         /// </remarks>
         private int m_requestTimeoutSecs = -1;
 
-        private object m_Lock = new object();
-
         public XInventoryServicesConnector()
         {
         }
@@ -533,11 +531,10 @@ namespace OpenSim.Services.Connectors
 
             RequestsMade++;
 
-            string reply = string.Empty;
-            lock (m_Lock)
-                reply = SynchronousRestFormsRequester.MakeRequest("POST",
-                         m_ServerURI + "/xinventory",
-                         ServerUtils.BuildQueryString(sendData), m_requestTimeoutSecs, m_Auth);
+            string reply 
+                = SynchronousRestFormsRequester.MakeRequest(
+                    "POST", m_ServerURI + "/xinventory",
+                     ServerUtils.BuildQueryString(sendData), m_requestTimeoutSecs, m_Auth);
 
             Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(
                     reply);