HRESULT 0xC03A000F: meaning and diagnosis

Status / error code:

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Constant name:

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Operating System:

Description:

The chain of virtual hard disks is corrupted. The time stamp of the parent virtual hard disk does not match the time stamp of the differencing disk.

Could be also:
Constant	Type	OS
STATUS_VHD_CHILD_PARENT_TIMESTAMP_MISMATCH	NTSTATUS	Windows

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ERROR_VHD_CHILD_PARENT_ID_MISMATCH	ERROR_VHD_METADATA_READ_FAILURE

ERROR_VHD_CHILD_PARENT_TIMESTAMP_MISMATCH

ERROR_VHD_CHILD_PARENT_TIMESTAMP_MISMATCH means a differencing disk sees a parent whose timestamp no longer matches the value recorded when the child was created. The parent may have been modified, replaced, or recovered from the wrong generation.

What to verify

Trace the checkpoint or backup chain and restore parent and child files from one consistent recovery point.
Compare the recorded parent path, disk identity, and virtual size before considering any repair operation.
Do not dismiss the mismatch as harmless; reads may otherwise combine blocks from different disk generations.

Microsoft: Get-VHD

Microsoft: Set-VHD

Microsoft: Merge-VHD

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