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Editorial Team
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Asked: 2026-05-14T07:31:32+00:00

I get a CommunicationException while using WCF service. The message is: The remote endpoint

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I get a CommunicationException while using WCF service. The message is:

The remote endpoint no longer recognizes this sequence. This is most likely due to an abort on the remote endpoint. The value of wsrm:Identifier is not a known Sequence identifier. The reliable session was faulted.

The exception is thrown in a moment after a contract method was called. Before calling contract method the channel state is Opened. I restore my service client after catching this exception and for some time it works fine. But then this error occures again. It seems like some timeout is exceeded, but I can’t understand which one exactly.

I use wsHttpBinding with reliableSession enabled. The InactivityTimeout is set to half an hour and I’m sure it’s not exceeded, because exception is thrown earlier.

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1 Answer

  1. Editorial Team

    I solved the problem. The reason was RecieveTimeout on a server side. It was set to 1 minute, so after having no requests during 1 minute server used to close a channel, and when client tried to call a contract, channel was already crashed due to the timeout.

    I found the solution after reading this article:

    http://msdn.microsoft.com/en-us/library/system.servicemodel.reliablesession.inactivitytimeout.aspx

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