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NS_E_SET_DISK_UID_FAILED
NS_E_SET_DISK_UID_FAILED: Content Server disk state
NS_E_SET_DISK_UID_FAILED (0xC00D0021) means Windows Media Services failed while assigning the requested UID to a Content Server disk.
Evidence to preserve
Preserve the physical/member identity, current UID, requested UID, layout membership, and the first storage or access error produced while writing the disk metadata.
How to interpret it
This result concerns the metadata update that establishes disk identity. It is different from an ordinary content write failure and from a later complaint that a stored UID is wrong.
Recovery and verification
Resolve the metadata-write or ownership problem, confirm the disk is the intended member, then assign the UID again and verify that a fresh enumeration returns the requested value.
Technical references
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