The IInetLogInformation::GetWin32Status method retrieves the Win32 status code of the request.
virtual DWORD STDMETHODCALLTYPE GetWin32Status( VOID );
Logging modules should query for this method if a server instance has set the MD_EXTLOG_WIN32_STATUS flag of the MD_LOGEXT_FIELD_MASK metabase identifier.
LogExtFileWin32Status, MD_LOGEXT_FIELD_MASK