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NS_E_NO_SERVER_CONTACT
NS_E_NO_SERVER_CONTACT — 0xC00D00CE
Diagnosing this result
This result identifies this Windows Media Services boundary: unable to contact the server.
Why this boundary matters
This HRESULT belongs to a specific network or control-path stage. Keep the resolved endpoint and selected protocol fixed, and preserve the first socket/protocol result so DNS, connection, negotiation, response parsing and media delivery are not collapsed into one generic network failure.
Evidence to collect
| Field | What to preserve |
|---|---|
| Peer | Resolved server/peer endpoint and the protocol actually selected. |
| Stage | Last completed stage: resolution, connection, control exchange, response parsing or media delivery. |
| Transport result | First socket/protocol status, timeout/reset indication, and byte counts when data transfer started. |
| Intermediaries | Proxy, gateway or second Content Server involved in the same path, including its identity. |
Decision rule
Keep endpoint and protocol fixed while changing one network precondition; a later socket or parser result is a new boundary and should be diagnosed separately.
Focused test
Capture the server name, resolved address, selected protocol and first connection error; verify reachability of that exact server endpoint before retrying discovery.
Verification
Repeat the same request to the same endpoint with the same selected protocol. Confirm it passes the previously failing network stage; if it advances and fails later, diagnose the later socket/protocol result separately.
Technical references
- System control protocol plug-ins
- Microsoft Media Server protocol
- WMS HTTP proxy interaction
- Microsoft HRESULT values for the Windows Media namespace
The useful success criterion is not merely the disappearance of this result. Confirm that the same server action completes and that the expected content or object remains available through the next pipeline stage.
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