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hazmat09's avatar
hazmat09
Level 4
13 years ago

Backup Error On Hyper-V - 0xa0009651

Hi, has anybody had this error in Backup Exec 2012 or 2010.  Happens in our Hyper-V HA cluster environment. Only on some VM's. The link Symantec provides has no "surprise" information regarding the...
  • VJware's avatar
    13 years ago

    Try this...checked from MS -

    1. Shut down the affected VMs.
    2. Run the Disk Management MMC on the host.
    3. Manually attach the all VHDs to the Hyper-V server via Disk Management MMC.
    4. If any VHDs are attached in an “offline” state, a disk signature conflict was found. To fix the conflict, right click the disk and “online” the disk manually.
    5. Once all VHD disks are attached in an “online” state, detach them one at a time.
    6. Start the VMs.