diff --git a/OpenSim/Data/RegionProfileData.cs b/OpenSim/Data/RegionProfileData.cs
index 3759341f8f..0ec79acc07 100644
--- a/OpenSim/Data/RegionProfileData.cs
+++ b/OpenSim/Data/RegionProfileData.cs
@@ -161,7 +161,7 @@ namespace OpenSim.Data
                 simData.httpPort = Convert.ToUInt32((string) responseData["http_port"]);
                 simData.remotingPort = Convert.ToUInt32((string) responseData["remoting_port"]);
                 simData.serverURI = (string) responseData["server_uri"];
-                simData.httpServerURI = "http://" + (string)responseData["sim_host"] + ":" + simData.httpPort.ToString() + "/";
+                simData.httpServerURI = "http://" + (string)responseData["sim_ip"] + ":" + simData.httpPort.ToString() + "/";
                 simData.UUID = new UUID((string) responseData["region_UUID"]);
                 simData.regionName = (string) responseData["region_name"];
             }
diff --git a/OpenSim/Framework/Servers/VersionInfo.cs b/OpenSim/Framework/Servers/VersionInfo.cs
index 4b3f829382..1efd82f53a 100644
--- a/OpenSim/Framework/Servers/VersionInfo.cs
+++ b/OpenSim/Framework/Servers/VersionInfo.cs
@@ -48,6 +48,6 @@ namespace OpenSim
         /// of the code that is too old. 
         ///   
         /// </value>
-        public readonly static int MajorInterfaceVersion = 1;
+        public readonly static int MajorInterfaceVersion = 2;
     }
 }
diff --git a/OpenSim/Grid/GridServer/GridManager.cs b/OpenSim/Grid/GridServer/GridManager.cs
index 08d53934dd..1ec4fd88df 100644
--- a/OpenSim/Grid/GridServer/GridManager.cs
+++ b/OpenSim/Grid/GridServer/GridManager.cs
@@ -563,8 +563,7 @@ namespace OpenSim.Grid.GridServer
                 foreach (RegionProfileData aSim in neighbours)
                 {
                     NeighbourBlock = new Hashtable();
-                    NeighbourBlock["sim_host"] = aSim.serverIP;
-                    NeighbourBlock["sim_ip"] = Util.GetHostFromDNS(aSim.serverIP.ToString()).ToString();
+                    NeighbourBlock["sim_ip"] = aSim.serverIP;
                     NeighbourBlock["sim_port"] = aSim.serverPort.ToString();
                     NeighbourBlock["region_locx"] = aSim.regionLocX.ToString();
                     NeighbourBlock["region_locy"] = aSim.regionLocY.ToString();
@@ -594,8 +593,7 @@ namespace OpenSim.Grid.GridServer
                                                         (uint)(sim.regionLocY + y) * Constants.RegionSize));
 
                             NeighbourBlock = new Hashtable();
-                            NeighbourBlock["sim_host"] = neighbour.serverIP;
-                            NeighbourBlock["sim_ip"] = Util.GetHostFromDNS(neighbour.serverIP).ToString();
+                            NeighbourBlock["sim_ip"] = neighbour.serverIP;
                             NeighbourBlock["sim_port"] = neighbour.serverPort.ToString();
                             NeighbourBlock["region_locx"] = neighbour.regionLocX.ToString();
                             NeighbourBlock["region_locy"] = neighbour.regionLocY.ToString();
@@ -813,8 +811,7 @@ namespace OpenSim.Grid.GridServer
             {
                 m_log.Info("[DATA]: found " + (string)simData.regionName + " regionHandle = " +
                            (string)requestData["region_handle"]);
-                responseData["sim_ip"] = Util.GetHostFromDNS(simData.serverIP).ToString();
-                responseData["sim_host"] = simData.serverIP;
+                responseData["sim_ip"] = simData.serverIP;
                 responseData["sim_port"] = simData.serverPort.ToString();
                 responseData["server_uri"] = simData.serverURI;
                 responseData["http_port"] = simData.httpPort.ToString();
@@ -881,7 +878,7 @@ namespace OpenSim.Grid.GridServer
 
                     // For Sugilite compatibility
                     simProfileBlock["regionhandle"] = aSim.regionHandle.ToString();
-                    simProfileBlock["sim_ip"] = aSim.serverIP.ToString();
+                    simProfileBlock["sim_ip"] = aSim.serverIP;
                     simProfileBlock["sim_port"] = aSim.serverPort.ToString();
                     simProfileBlock["sim_uri"] = aSim.serverURI.ToString();
                     simProfileBlock["uuid"] = aSim.UUID.ToString();
@@ -1044,7 +1041,7 @@ namespace OpenSim.Grid.GridServer
                     respstring += "<sim>";
                     respstring += "<uuid>" + TheSim.ToString() + "</uuid>";
                     respstring += "<regionname>" + TheSim.regionName + "</regionname>";
-                    respstring += "<sim_ip>" + Util.GetHostFromDNS(TheSim.serverIP).ToString() + "</sim_ip>";
+                    respstring += "<sim_ip>" + TheSim.serverIP + "</sim_ip>";
                     respstring += "<sim_port>" + TheSim.serverPort.ToString() + "</sim_port>";
                     respstring += "<region_locx>" + TheSim.regionLocX.ToString() + "</region_locx>";
                     respstring += "<region_locy>" + TheSim.regionLocY.ToString() + "</region_locy>";
diff --git a/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs b/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs
index 59250fd548..c0fecee7b4 100644
--- a/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs
+++ b/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs
@@ -410,16 +410,17 @@ namespace OpenSim.Region.Communications.OGS1
 
                     uint regX = Convert.ToUInt32((string) responseData["region_locx"]);
                     uint regY = Convert.ToUInt32((string) responseData["region_locy"]);
-                    string internalIpStr = (string) responseData["sim_ip"];
+                    string externalHostName = (string) responseData["sim_ip"];
                     uint port = Convert.ToUInt32(responseData["sim_port"]);
                     // string externalUri = (string) responseData["sim_uri"];
 
-                    IPEndPoint neighbourInternalEndPoint = new IPEndPoint(IPAddress.Parse(internalIpStr), (int) port);
-                    // string neighbourExternalUri = externalUri;
-                    regionInfo = new RegionInfo(regX, regY, neighbourInternalEndPoint, internalIpStr);
+                    //IPEndPoint neighbourInternalEndPoint = new IPEndPoint(IPAddress.Parse(internalIpStr), (int) port);
+                    IPEndPoint neighbourInternalEndPoint = new IPEndPoint(Util.GetHostFromDNS(externalHostName), (int)port);
+                    
+                    regionInfo = new RegionInfo(regX, regY, neighbourInternalEndPoint, externalHostName);
 
                     regionInfo.RemotingPort = Convert.ToUInt32((string) responseData["remoting_port"]);
-                    regionInfo.RemotingAddress = internalIpStr;
+                    regionInfo.RemotingAddress = externalHostName;
 
                     if (responseData.ContainsKey("http_port"))
                     {
@@ -437,11 +438,11 @@ namespace OpenSim.Region.Communications.OGS1
                         }
                     }
                 }
-                catch
+                catch (Exception e)
                 {
                     m_log.Error("[OGS1 GRID SERVICES]: " +
                                 "Region lookup failed for: " + regionHandle.ToString() +
-                                " - Is the GridServer down?");
+                                " - Is the GridServer down?" + e.ToString());
                     return null;
                 }
             }
@@ -1551,8 +1552,7 @@ namespace OpenSim.Region.Communications.OGS1
             bool available = false;
             bool timed_out = true;
 
-            IPAddress ia;
-            IPAddress.TryParse(address, out ia);
+            IPAddress ia = Util.GetHostFromDNS(address);
             IPEndPoint m_EndPoint;
             try
             {