The permissions for this GPO in the SYSVOL folder are inconsistent with those in Active Directory. It is recommended that tehse permissions be consistent. To change the SYSVOL permissions to thos in Active Directory, click OK.
For more information , see the the Microsoft Knowledge Base article: http://go.microsoft.com/fwlink/?LinkId=20066
This problem often apears when you remove the default security filter “Authenticated users” from the policy.
In the policy, click Advanced – Remove the “Authenticated Users” from the Security filter and click OK.