Agent for Hyper-V notes

Last published : Apr 02, 2026
The following notes detail information about using the Agent for Hyper-V:
  • A Windows 2016 guest virtual machine that runs on a Windows 2012 R2 Hyper-V host is backed up in the offline state.
  • Restore of Hyper-V Host Component on a Windows 2016 Hyper-V server fails. As a workaround, stop the Hyper-V Virtual Machine Management service, and then proceed with the restore.
Review the following notes for the instant recovery feature:
  • To run an instant recovery job for a backup set that is on one of the following devices, create a duplicate backup job and then target the backup job to a disk storage device. You can use the duplicate backup to create an instantly recovered virtual machine.
    • Tape storage
    • Deduplication disk storage
    • Cloud storage
    • Disk cartridge devices such as RDX
Review the following notes before you upgrade the Backup Exec server:
In Backup Exec 15 Feature Pack 4 and later, the default option for processing Hyper-V backups has changed to Use the standard processing method.
  • When you upgrade from Backup Exec 15 Feature Pack 3, the existing Hyper-V backup setting does not change. Existing and new backup jobs use the setting that was configured in Feature Pack 3, unless you change it.
  • When you upgrade from Backup Exec 15 Feature Pack 2 or earlier, the default Hyper-V backup setting for existing jobs is Use the standard processing method. Existing and new backup jobs use this setting unless you change it.
    Note: If you encounter issues with a checkpoint and its associated avhdx files after installing Backup Exec 15 Feature Pack 3, use the instructions in the following technote to remove the checkpoint: http://www.veritas.com/docs/000100786
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