Question

The WCF channel is somehow getting into the faulted state in the client, what WCF logging show I enable to help track down the reason?

How do I enable the given logging from code? (The channel etc is setup in code rather than a config file on each side)

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Edit: Both sides are Winforms applications, so I don’t have a web.config file, but I do have a app.config file.

Answer 1

You don’t need to add the logging in code.
On both the service (web.config) and the client (app.config) add this:

<system.diagnostics>
<sources>
  <source name="System.ServiceModel" switchValue="Verbose, ActivityTracing">
    <listeners>
      <add name="xml"/>
    </listeners>
  </source>
  <source name="System.ServiceModel.MessageLogging" switchValue="Verbose">
    <listeners>
      <add name="xml"/>
    </listeners>
  </source>
</sources>
<sharedListeners>
  <add name="xml" type="System.Diagnostics.XmlWriterTraceListener" 
     initializeData="c:\logs\logfilename.svclog"/>
</sharedListeners>
<trace autoflush="true"/>
</system.diagnostics>

You should use the Service Trace Viewer (SvcTraceViewer.exe, included in SDK v6.0a) to view the files.