WCF NamedPipe CommunicationException - “The pipe has been ended. (109, 0x6d).”

Question

I am writing a Windows Service with accompanying \"status tool.\" The service hosts a WCF named pipe endpoint for inter-process communication. Through the named pipe, the

Answer 1

I got this error when the service operation threw and the channel was actually faulted. In your case, you have already verified that the service operation as such completed correctly and only the return threw, but if there is doubt, make sure the service operation runs OK.