There's a quick guide on how to troubleshoot GPO-related problems.
1. Open Event Viewer, look for Administrative Events in Custom Views. Look for Group Policy events there and read the details.
2. While in Event Viewer, look under
Applications and Services Logs\Microsoft\Windows\Group Policy\Operational
filter records using event ID, look for patterns in events,read details.
3. While viewing the operational log mentioned above,study policy processing sequence, to find out the failure points and corresponding error codes. Use that to determine at what step and what policy record malfunctions. Use the information to block policy processing until everything works as expected.
1. Open Event Viewer, look for Administrative Events in Custom Views. Look for Group Policy events there and read the details.
2. While in Event Viewer, look under
Applications and Services Logs\Microsoft\Windows\Group Policy\Operational
filter records using event ID, look for patterns in events,read details.
3. While viewing the operational log mentioned above,study policy processing sequence, to find out the failure points and corresponding error codes. Use that to determine at what step and what policy record malfunctions. Use the information to block policy processing until everything works as expected.