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NS_I_DISK_STOP
NS_I_DISK_STOP — 0x400D0198
This result belongs to content disk offline state not to a generic restart checklist, because the media server completed the transition that removed the identified disk from active service.
Start at the returning layer
The older NetShow and Windows Media server messages describe a proprietary content-storage layer in addition to ordinary Windows volumes. In the context of content disk offline state, disk identity, control metadata, server ownership, and content placement therefore matter alongside NTFS health and controller telemetry. Locate the first component changing state in this condition and distinguish later summary errors.
Important boundary. An offline disk can be planned or fault-driven; the preceding event sequence determines which interpretation applies. Record the exact constant and returning API.
Minimum useful evidence
| Record before retry | Use in verification |
|---|---|
| Disk/server identifiers, stop requester or preceding failure, and timestamp | Shows whether the status is expected information, a warning, or the first failure in the event sequence. |
| Active sessions or content references at the transition | Ties the message to one server object and one transition instead of a later retry. |
| Volume health and server metadata state after offlining | Separates configuration or identity from storage, parser, network, or lifecycle state. |
| Whether rebuild, maintenance, restripe, or failure policy follows | Provides a stable before/after comparison for the proposed correction. |
Prefer identifiers, versions, counts, hashes, state transitions, and redacted paths; media content, credentials, keys, and user data are rarely needed in routine incident logs.
Separate state from data
- Compare an intentional stop with an automatic offline caused by a storage error. Keep media bytes, server identity, and unrelated publishing-point settings fixed.
- Verify new content requests no longer resolve to the disk. Use a disposable publishing point or maintenance window when the test can alter server or storage state.
- Bring the disk back only after recording its control metadata and state. Retain a known-good stream, session, or server object so a broad restart is not mistaken for repair of the reported failure.
Retry only after one controlled server, object, route, storage, or input condition changed; an uncontrolled service restart creates a new execution context and is not proof that the original condition was transient.
Nearby states and false leads
- Known-good comparison succeeds: isolate the production object or configuration associated with the failing operation.
- Same failure on the control: investigate the shared server, plug-in, storage, topology, or network layer before changing media content.
- Different status after one change: preserve both results; the first rejected condition was removed, but the operation is not yet proved complete.
Verification after correction
Correction: Correct the initiating failure or complete the documented maintenance workflow before returning the disk to service. Keep the original server configuration, event sequence, object inventory, input hash, and topology snapshot so the change can be reversed and explained.
Accept the repair only when the disk state matches the intended plan, content remains available through valid placement, and restart does not produce metadata conflict. Repeat the original supported operation under the original identity and object state; a simplified media file, replacement server, new session, or different client is useful comparison evidence but not final regression proof.
Technical references
These sources describe the API, service architecture, and status values relevant to this diagnosis: Check version-specific behavior against the Windows Media Services and SDK generation that produced the event.
- Microsoft Open Specifications: HRESULT values — defines the formal status or component boundary.
- Microsoft: Windows Media Services 9 Series SDK — documents the relevant API or lifecycle.
- Microsoft: Windows Media Services SDK architecture — provides the architecture, format, or protocol context.
- Microsoft: programming the Windows Media server object model — supports the controlled verification criteria.
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