“Volume Extension Is Not Supported By Hypervisor” Failure When Creating A VPG From Hyper-V To VMware

KB Number:
000001504

Symptoms:
When creating a VPG replicating from Hyper-V to VMware, creation fails with the following error:
  • Volume extension is not supported by hypervisor: FILENAME.VHDX volumeSuffix = .VHDX

Cause:
Linux, the operating system VMware hosts run on, differentiates between filenames in capital letters and lowercase letters. Therefore, when a file extension is in capital letter instead of lowercase, VMware deems the extension to be different than expected and does not support the file type.

Solution:

In order to change the case of the file extension in Hyper-V, perform the following steps:

  1. Shut down the source VM
  2. Detach the virtual disks files from the VM
  3. Rename the vhdx file to use lowercase characters
  4. Re-attach the virtual disks to the source VM
  5. Power on the VM

After that, the VM can be used when creating a VPG.


Affected Versions:
All

Hypervisor:
Hyper-V, VMware

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