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I have created a WCF service, which is currently hosted in a console application. After logging the duration it takes for my client to call the service I realized the following; 1. Time to call service method ranges from a few milliseconds to seconds. 2. Usually when the call duration is in seconds sometimes a Communication Exception which states that "Could not connect to net.tcp://localhost:84/myservice. The connection attempt lasted for a time span of 00:00:01.9971997. TCP error code 10061: No connection could be made because the target machine actively refused it 127.0.0.1:84." Is thrown by some clients.

What could be causing the wide variation in call duration and also some of the exceptions.

Thank you

kwabenasei
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  • have you tried enabling WCF tracing and message logging? enable it and post the trace log of the request – Rahul Mar 13 '17 at 20:40

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