Windows cannot find a Group Policy object (GPO) in the Active Directory® directory service. The GPO may not exist, or access to the GPO may be denied.
Windows cannot perform filter check for Group Policy object %1. The associated filter cannot be found. This Group Policy Object will be skipped.
A GPO has not been processed because the filter check could not be performed.
To enable UserEnv logging, see Knowledge Base article 221833, "How to Enable User Environment Debug Logging in Retail Builds of Windows," at http://go.microsoft.com/fwlink/?LinkId=25636. The log file will detail the specific error.
Microsoft Help and Support for Microsoft Windows Server 2003
Microsoft Knowledge Base