KB ID : 104053
Products :
Published : Nov. 30, 2018
Created : Nov. 30, 2018
Last Modified : Nov. 30, 2018


  • This alert usually throws if configured Hyper-V VM having a differencing disk.


  • VembuBDR currently not supporting backup of Hyper-V VMs having a differencing disk attached to it.
  • To proceed for the backup. You can merge the existing differencing disk to its parent disk by following the below steps,
    • In Hyper-V Manager -> Edit Disk
    • Browse the differencing disk location and click Next
    • Select Merge option
    • Proceed with default option “To the parent virtual hard disk”.
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