This monitor verifies that Group Policy is successfully being applied to the domain controller.
It will perform a 'gpupdate' operation per the specified configuration interval.
Possible causes include the following:
There is a misconfigured Group Policy object.
There is a problem with SYSVOL.
Ensure that the domain controller is online and functioning correctly.
Check that dcdiag is not returning any problems.
Check the External links to troubleshoot the specific Group Policy failure that is in the alert.
For more information, see:
Troubleshooting Group Policy Problems
Troubleshooting Group Policy Using Event Logs