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\uD83E\uDD14 Problem

An agent fails and the following error message is logged:

  Unable to connect to the remote server

Unable to connect to the remote server


System.Net.WebException: Unable to connect to the remote server ---> System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond <IP Address>:<Port>
at System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress)
at System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult asyncResult, Exception& exception)
--- End of inner exception stack trace ---
at System.Net.HttpWebRequest.GetResponse()
at CardDav.Client.Query(String url, String method, String content, String contentType)
at CardDav.Client.CanConnect()

….

\uD83C\uDF31 Solution

The Backend is unable to connect to the PeopleSync Frontend. This may be because of the following reasons:

  • The PeopleSync Frontend is down

  • A network is preventing the PeopleSync Service on the Backend to connect to the PeopleSync Frontend.

To further diagnose and resolve the problem, please follow advice in this article:

How to know if Frontend is operational

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