12 ContentsTroubleshooting Replication Issues . . . . . . . . . . 169Replication Configuration Error . . . . . . . . . . 169Replication Destination Cluster is Busy . . . . . 169Replication Destination FS is Busy . . . . . . . . 170Replication Destination is Down . . . . . . . . . 170Replication Destination is Not Optimal . . . . . . 170Replication Destination Volume is BusyReclaiming Space. . . . . . . . . . . . . . . . . 171Replication Destination Volumeis Detached . . . . . . . . . . . . . . . . . . . . 171Replication Disconnection . . . . . . . . . . . . 171Replication Incompatible Versions . . . . . . . . 172Replication Internal Error . . . . . . . . . . . . . 172Replication Jumbo Frames Blocked . . . . . . . 172Replication Destination Does NotHave Enough Space . . . . . . . . . . . . . . . 172Replication Source is Busy . . . . . . . . . . . . 173Replication Source is Down . . . . . . . . . . . 173Replication Source is Not Optimal . . . . . . . . 173Replication Source Volume is BusyReclaiming Space. . . . . . . . . . . . . . . . . 174Troubleshooting Active Directory Issues . . . . . . . 174Group Quota For an Active DirectoryUser Does Not Work . . . . . . . . . . . . . . . 174Active Directory Authentication . . . . . . . . . 175Troubleshooting Active DirectoryConfiguration . . . . . . . . . . . . . . . . . . . 175Troubleshooting BPS Issues . . . . . . . . . . . . . . 176Backup Power Supply LED Displaysa Solid Amber Light . . . . . . . . . . . . . . . . 176Backup Power Supply LED FlashesGreen and Amber . . . . . . . . . . . . . . . . . 177Backup Power Supply Displays aBlinking Amber LED . . . . . . . . . . . . . . . . 177