DPM failed to provide the Windows Group %GroupName; read permissions on the replica for %DatasourceType; %DatasourceName; ...

DPM failed to provide the Windows Group %GroupName; read permissions on the replica for %DatasourceType; %DatasourceName; on %ServerName;. Your recovery point is valid, but you may not be able to perform item-level recoveries in an optimized manner using this recovery point.