An unknown connection error occurred. Either you are no longer connected to the network or the server you are connected to is offline.
An unexpected root certificate authority was encountered when determining the trusted certificate authority for machine certificate ...
An unexpected Web communication error occurred. User Action Restart each server in the Active Directory Rights Management ...
An unfinished invocation of the Group Policy Client Side Extension %1 from a previous instance of the Group Policy Service ...
An unhandled exception was encountered while processing a VSS writer event callback method. The VSS writer infrastructure ...
An unknown connection error occurred. Either you are no longer connected to the network or the server you are connected to ...
An unknown error occurred when the console attempted to locate data for IP Security Policies. Try again, or use Group Policy ...
An unknown error occurred while attempting to access the specified directory. Either the directory is not valid or you do ...
An unknown error occurred while establishing a Dial-Up Network connection. Please go to 'Dial-Up Networking' and make sure ...
An unknown error occurred. Please try again later. If the problem persists, view Support Information to help resolve this ...