http://blogs.msdn.com/iliast/archive/2009/06/09/viewing-wdf-logs-in-windbg.aspxOne feature that is really helpful in debugging WDF drivers is the log file that is created by the frameworks themselves. In the log files you can see many warnings and errors that are created by the framework (i.e. they come for free and the driver doesenCommunityServer 2.1 SP1 (Build: 61025.2)