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| NS_E_MISSING_CHANNEL | NS_E_INVALID_INDEX2 |
NS_E_NO_CHANNELS
NS_E_NO_CHANNELS — 0xC00D00D8
Diagnosing NS_E_NO_CHANNELS
NS_E_NO_CHANNELS means the server operation requires at least one Windows Media Services station, but the relevant configuration contains no station definitions at all. Unlike NS_E_MISSING_CHANNEL, this is not a failed lookup for one name in a populated collection.
Evidence to preserve
- the station count returned by the administrative interface and the configuration object from which that collection was loaded;
- the server or publishing configuration being edited, including its generation or last-change time;
- the operation that requires a station and whether it is creating, publishing, announcing or otherwise configuring service state;
- configuration-load or persistence errors that occurred before the empty collection was observed.
Focused test
Read the station collection from a newly created administrative object. A count of zero reproduces this boundary directly. If the expected definitions exist on disk or in another configuration source but the service still enumerates none, investigate why that configuration was not loaded or persisted instead of changing multicast hardware, network adapters or client settings.
Correction and verification
Create or restore the required station definition through the supported configuration mechanism, including the settings needed by the operation that uses it. Re-read the collection after the change and confirm that at least one valid station is returned. Finally repeat the original operation and verify that it advances using the newly available server definition.
Technical references
- Windows Media protocol glossary
- Expanded use of publishing points
- Microsoft Media Server protocol
- Microsoft HRESULT values for the Windows Media namespace
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