When a backup policy is set for GRT backups (Full and Incremental/Differential backups) of Virtual Machines to a Deduplication Storage device. The Full backup completes with a acceptable job rate, however, all subsequent incremental backups run very slow.
Run Incremental Non-GRT backups to Deduplication Storage Folder.
This issue is resovled in Backup Exec 2012 Revision 1798 Hotfix182237. See Related Documents