NTSTATUS 0xC038004D (STATUS_VOLMGR_NUMBER_OF_EXTENTS

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Description:

The declared number of volume extents does not describe a valid Volume Manager layout.

Could be also:
Constant	Type	OS
ERROR_VOLMGR_NUMBER_OF_EXTENTS_INVALID	HRESULT	Windows

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STATUS_VOLMGR_VOLUME_RETAINED	STATUS_VOLMGR_DIFFERENT_SECTOR_SIZE

STATUS_VOLMGR_NUMBER_OF_EXTENTS_INVALID

STATUS_VOLMGR_NUMBER_OF_EXTENTS_INVALID means that the extent count in the submitted volume layout is invalid. It is often an input-shape problem: the caller's declared count, allocated array, or selected volume topology does not form a layout that Volume Manager can accept.

Do not treat this as evidence that a disk is corrupt. First verify the management request and the current volume topology. A stale or partially constructed layout can name the right disks while still carry the wrong extent count.

What to check

Compare the declared number of extents with the actual entries serialized in the request.
Validate the selected volume type and whether it permits the proposed number of physical ranges.
Refresh disk and volume inventory after attach, detach, migration, or concurrent storage-management activity.

Microsoft: VDS disk extent types

Microsoft: Volume Manager error codes

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