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Title
Agent can't connect to the coordinator from behind firewall with error, "The socket connection was aborted" -
Description
Agents located behind firewall fail to connect to the coordinator with error found in the AgentServiceProxy.log.nptlog exception tab similar to:
System.ServiceModel.CommunicationException: The socket connection was aborted. This could be caused by an error processing your message or a receive timeout being exceeded by the remote host, or an underlying network resource issue. Local socket timeout was '00:04:59.7030731'. ---> System.Net.Sockets.SocketException: An existing connection was forcibly closed by the remote host
In this scenario, telnet connection attempt to the coordinator port succeeds from the agent server in question and agents in other parts of the network are able to connect without issue as well.
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