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NS_E_BAD_DISK_UID
NS_E_BAD_DISK_UID: Content Server disk state
NS_E_BAD_DISK_UID (0xC00D0064) means the disk UID observed by Windows Media Services does not match the UID expected for that Content Server member.
Evidence to preserve
Record the physical disk identity, reported UID, expected UID, server, and layout or mirror membership before rewriting any metadata.
How to interpret it
The distinction is identity, not generic disk health. A readable disk can still be unsafe to use if the server associates its UID with a different member or layout generation.
Recovery and verification
Determine why the identity differs—replacement, stale metadata, copied media, or an incomplete management operation—and reconcile the intended membership before assigning or accepting a UID.
Technical references
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