If the policy still won't apply after a forced update, use these diagnostic tools:
In the world of Windows administration, "Group Policy" is the steering wheel, and the ability to those policies is the engine. Whether you are trying to push a critical security patch, standardize desktop wallpapers, or map network drives for hundreds of users, simply creating a GPO (Group Policy Object) isn't always enough. You need to ensure the "force" is with you. group policy force
In the Group Policy Management Console (GPMC), when linking a Group Policy Object (GPO) to a site, domain, or Organizational Unit (OU), there is a checkbox labeled . If the policy still won't apply after a