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NS_E_MULTICAST_PLUGIN_NOT_ENABLED
Where the condition occurs
This result (0xC00D1458) marks a multicast operation has no enabled multicast data writer. The code identifies a narrow server contract, so diagnosis should preserve the object instance and the first native return.
Code-specific failure anatomy
A representative occurrence is when a multicast operation has no enabled multicast data writer. Capture point type, BroadcastDataSinks collection, enabled flag, destination group, port, local interface and TTL together with the object instance and the exact administrative or protocol request.
For a useful negative control, enable and configure one multicast writer on a broadcast publishing point, then regenerate the announcement if used.
The tempting but misleading response is only opening firewall ports; no server component is emitting the multicast stream. That action does not test the distinction that matters here: too many multicast sinks means several writers compete; this result means none is usable.
What to record before changing anything
| Controlled comparison | Use a known-good object of the same type and vary only the precondition described as “a multicast operation has no enabled multicast data writer”. |
Smallest useful experiment
- Capture
0xC00D1458, the symbolic name, the exact API/administrative action and the first failure timestamp. - Preserve point type, BroadcastDataSinks collection, enabled flag, destination group, port, local interface and TTL.
- Perform one isolated experiment: enable and configure one multicast writer on a broadcast publishing point, then regenerate the announcement if used.
Comparison with adjacent states
Primary distinction: too many multicast sinks means several writers compete; it means none is usable.
| Nearby result | Different condition |
|---|---|
NS_E_INVALID_OPERATING_SYSTEM_VERSION | the requested server feature is unavailable on the installed Windows Server edition/version. |
NS_E_PUBLISHING_POINT_INVALID_REQUEST_WHILE_STARTED | the requested administrative mutation is not legal while the publishing point is running. |
NS_E_PUBLISHING_POINT_REMOVED | the caller still holds an object for a publishing point that has been deleted from the server collection. |
Changes that do not establish the cause
- only opening firewall ports; no server component is emitting the multicast stream.
Technical references
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