What does HRESULT 0xC03A0030 (ERROR_VHD_MISSING_CHANGE_TRACKING_INFORMATION) mean?

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Description:

ERROR_VHD_MISSING_CHANGE_TRACKING_INFORMATION there is no change tracking data available associated with the specified change tracking identifier.

Could be also:
Constant	Type	OS
STATUS_VHD_MISSING_CHANGE_TRACKING_INFORMATION	NTSTATUS	Windows

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ERROR_VHD_CHANGE_TRACKING_DISABLED	HNS_NETWORK_NOT_FOUND

ERROR_VHD_MISSING_CHANGE_TRACKING_INFORMATION

ERROR_VHD_MISSING_CHANGE_TRACKING_INFORMATION means no change-tracking data exists for the identifier requested by the caller. The original incremental chain may no longer be valid.

What to check

Check for VHD replacement, checkpoint changes, restore operations, host migration, or cleanup that happened since the previous backup.
Run the supported consistency check or create a new baseline backup according to the backup application documentation.
Preserve the existing VHD and tracking files while investigating; deleting them can remove evidence and extend the recovery work.

Microsoft: Hyper-V backup approaches

Microsoft: Hyper-V antivirus exclusions

Microsoft: Get-VHD

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