The Following error can be seen in the Coexistence Manager for Groupwise (CMG) Mail Connector log file:
2013-01-30 15:48:22,111 WARN CMG.logging [Proxy 1] - Message Number [1] on Thread [9] from GroupWise (XXX.XXX.XXX.XXX:XXXXX) to Exchange (XXX.XXX.XXX.XXX:25): A communications failure or interuption was encountered. - IOException: Unable to read data from the transport connection: An established connection was aborted by the software in your host machine.
Stack Trace: at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
at QuestSoftware.CMX.API.Core.Networking.SecureSocket.Read(Byte[] buffer, Int32 offset, Int32 count)
at QuestSoftware.CMX.API.Core.Networking.SecureSocket.Read(Byte[] buffer)
at QuestSoftware.CMX.API.Core.Networking.Smtp.DataBuffer.GetNextLine()
at QuestSoftware.CMX.API.Core.Networking.Smtp.ClientProtocol.GetNextResponseInternal(ResponseStates& state)
at QuestSoftware.CMX.API.Core.Networking.Smtp.ClientProtocol.GetNextResponse(ResponseStates& state, Boolean isEhlo)
at QuestSoftware.CMX.API.Core.Networking.Smtp.Proxy.Run()
at QuestSoftware.CMX.API.Core.Networking.Smtp.Proxy.<Start>b__0()
SocketException: An established connection was aborted by the software in your host machine
Stack Trace: at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags)
at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
Cause 1:
A Receive Connector for CMG is not configured on the Exchange server.
Cause 2:
A firewall or other network device is blocking traffic to or from the Mail Connector
Resolution 1:
Create a Receive Connector on the Exchange server that you would like the CMG Mail Connector to connect to.
Resolution 2:
Remove the firewall or create an exception to allow mail traffic.
