Here is a HowTo on Collecting WinInet Tracing on Windows Vista, Windows 7, Windows 2008 Server and Windows Server 2008 R2. If you require to collect this log, you can enable this log just before the issue and disable soon after the repro, that will provide...

  Configuring netTcpBinding on IIS requires IIS7. You can refer the article for more information on platform dependencies. Requirements to get netTcpBinding on IIS7 work.   Make sure the following service in the services snap-in are started...