The only one Hyper-V virtual machine (VM) is restored even though multiple VMs are selected for restore, if Hyper-V VMs are backed up with Granular Recovery Technology (GRT) option enabled. The restore job completes with 'Successful' status though not all VMs selected are restored.
A hotfix is now available for this issue in the current version(s) of the product(s) mentioned in this article. Refer to the Hotfix link under Related Documents at the end of this article to obtain the hotfix needed to resolve the issue.
Backup Exec 2012 Rev 1798 Service Pack 2 (TECH203155)