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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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