What does HRESULT 0xC03A0005 (ERROR_VHD_FORMAT_UNSUPPORTED_VERSION) mean?

Status / error code:

Category:

Constant name:

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Operating System:

Description:

The version does not support this version of the file format.

Could be also:
Constant	Type	OS
STATUS_VHD_FORMAT_UNSUPPORTED_VERSION	NTSTATUS	Windows

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ERROR_VHD_FORMAT_UNKNOWN	ERROR_VHD_SPARSE_HEADER_CHECKSUM_MISMATCH

ERROR_VHD_FORMAT_UNSUPPORTED_VERSION

ERROR_VHD_FORMAT_UNSUPPORTED_VERSION indicates that the file identifies itself as a virtual hard disk format revision that the current Windows or Hyper-V stack cannot process.

What to check

Record the host operating-system and Hyper-V versions that produced the file and the host that is trying to open it.
Open a copy on a supported, current Hyper-V host instead of editing version fields in the image.
If the file was created by another virtualization product, confirm that it exports a Microsoft-compatible VHD or VHDX image.

Microsoft: Get-VHD

Microsoft: VHDX file format specification

Microsoft: Manage virtual hard disks

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