NTSTATUS 0x80000020 (STATUS_MEDIA_CHECK): meaning and diagnosis

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The storage stack requires the inserted medium to be revalidated before cached state can be trusted.

Could be also:
Constant	Type	OS
RO_E_CANNOT_ACTIVATE_FULL_TRUST_SERVER	HRESULT	Windows

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STATUS_BEGINNING_OF_MEDIA	STATUS_SETMARK_DETECTED

STATUS_MEDIA_CHECK

The device requests media revalidation before continuing

This warning is another media-change indication used by removable-storage paths. The operation should not continue using assumptions made before the event, even when the cartridge or disk appears physically unchanged.

Revalidate the medium through the appropriate class-driver or file-system path. For tape, query position and partition data; for block media, refresh geometry, layout, and volume recognition. Suppressing the check can direct an I/O request to a newly inserted volume at an old offset.

What to inspect

Record the triggering command and any preceding reset or door event.
Re-read media identity and device parameters through supported interfaces.
Require explicit confirmation before destructive operations on the revalidated medium.

References

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