Settings for %1!s! cannot be retrieved. The server state is unknown and the action cannot complete. If an unavailable server ...

Settings for %1!s! cannot be retrieved. The server state is unknown and the action cannot complete. 

•    If an unavailable server was removed from a cluster or multisite deployment, complete the removal by clicking Remove the configuration settings, or with the Uninstall-RemoteAccess cmdlet. 

•    If a server was not removed, ensure that the server is included in security filtering for the GPO %2!s!.