User logging in Windows for profile or group policy troubleshooting
This modification helps identify various logon problems including group policy processing and roaming profile issues. Very helpful but should be enabled for troubleshooting purposes only in verbose mode. Modify the following registry value: Subkey: HKEY_LOCAL_MACHINESoftwareMicrosoftWindows NTCurrentVersionWinlogon Entry: UserEnvDebugLevel Type: REG_DWORD Value data: 10002 (Hexadecimal) set this to 0x00030002 –this will give debug/verbose output: the log