Platform SDK: Windows Management Instrumentation

Wbemprox.log

The Wbemprox.log file contains trace information for the WMI proxy server. The trace information in this file primarily pertains to connectivity issues.

The following table presents some common problems that can occur and offers possible causes and solutions.

Message Explanation and possible solution
ConnectViaDCOM, CoCreateInstanceEx resulted in hr = 0x800706ba This is a WMI connection error that you receive for one of the following reasons:
  • Incorrect server is specified
  • Incorrect credentials
  • Environment error, such as the RPC server is unavailable
  • Connecting to a Windows 95/98 computer that does not have Winmgmt.exe running.
NTLMLogin resulted in hr = 0x8004103 : Access denied was returned, giving up! The most common HRESULT from this message indicates that you do not have permission to perform the action. The second-most common HRESULT indicates that an incorrect namespace was specified or that the namespace does not exist. It is also possible to get various RPC errors returned with this message.

For more information on the WMI HRESULT contained in the log entry, see WMI Error Constants. You can use the error lookup feature in Visual C++ to determine the error messages for other HRESULT values.