Try running gpresult /R for RSoP summary ou gpresult /V for verbose output depuis le command line as an administrator on le computer. It should output something like this:
C:\Windows\system32>gpresult /V
Microsoft (R) Windows (R) Operating System Group Policy Result tool v2.0
Copyright (C) Microsoft Corp. 1981-2001
Created On 2/10/2010 at 10:27:41 AM
RSOP data for OQMSupport01\- on OQMSUPPORT01 : Logging Mode
