RHV: Cannot preview snapshot of VM, disk is locked.

Solution Verified - Updated -


  • Cannot Preview Snapshot of Virtual Machine
  • The Virtual Machine disk is Locked.
  • The Virtual Machine may be Image Locked
  • Snapshot Preview task failed with NullPointerException or is still running


  • Red Hat Virtualization 4.x
    • Virtual Machine was initially cloned from another VM which had a Direct LUN Disk.

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