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VDS_E_DMADMIN_CORRUPT_NOTIFICATION
This error is specifically at the notification boundary between the Logical Disk Manager administrative service and VDS. VDS notifications are typed records: VDS_NOTIFICATION.objectType selects the corresponding union member, and each disk, volume, pack, or other notification carries event-specific fields. A corrupt notification means that this state-change message could not be trusted as valid provider/service input.
Why this state matters
Treating the problem as a disk-layout error skips the failing boundary. The important evidence is the notification sequence and the object state before and after it. VDS normally updates its cache automatically when notifications arrive. If notifications are lost or invalid, a later explicit refresh can resynchronize the view, but Microsoft explicitly advises not to refresh from inside the notification callback because that can generate an endless notification loop.
Diagnostic focus
- Preserve VDS and Logical Disk Manager service events from the same time window.
- Record the last valid notification target type and affected object IDs seen by the client.
- After the callback returns, compare a fresh VDS object enumeration with the pre-error cache view.
- Do not parse or reinterpret a malformed notification as another union member based on whichever fields look plausible.
Technical references
VDS_NOTIFICATION · VDS_NOTIFICATION_TARGET_TYPE · IVdsAdviseSink::OnNotify · IVdsService::Refresh · MS-VDS error codes
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