HRESULT 0xC03A0002 (ERROR_VHD_DRIVE_FOOTER_CHECKSUM

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Description:

The virtual hard disk is corrupted. The virtual hard disk drive footer checksum does not match the on-disk checksum.

Could be also:
Constant	Type	OS
STATUS_VHD_DRIVE_FOOTER_CHECKSUM_MISMATCH	NTSTATUS	Windows

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ERROR_VHD_DRIVE_FOOTER_MISSING	ERROR_VHD_DRIVE_FOOTER_CORRUPT

ERROR_VHD_DRIVE_FOOTER_CHECKSUM_MISMATCH

ERROR_VHD_DRIVE_FOOTER_CHECKSUM_MISMATCH indicates that the checksum stored in a legacy VHD footer does not match the data read from the file. Treat this as file or storage corruption, not as a guest operating-system problem.

What to verify

Compare hashes of the affected file with its backup or transfer source if one is available.
Check the host volume and storage path for I/O errors, sudden power loss, interrupted copy operations, or file-system repair events.
Keep the original immutable and validate a copy before trying any attach, conversion, or merge operation.

Get-FileHash "D:\Recovery\disk.vhd" -Algorithm SHA256

Microsoft: Test-VHD

Microsoft: Manage virtual hard disks

Microsoft: VHDX file format specification

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