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NS_E_BAD_CONTROL_DATA
NS_E_BAD_CONTROL_DATA — 0xC00D0032
Diagnosing NS_E_BAD_CONTROL_DATA
NS_E_BAD_CONTROL_DATA identifies a specific Windows Media Services result: the server received invalid data on the client control connection.
What makes the result specific
The media path can be healthy while the control request is malformed. Diagnose the control message that the server parser rejected rather than treating the HRESULT as a generic connectivity failure.
Evidence to preserve
- the selected control protocol and the exact request/command type;
- the first field, length, token, header, or state transition rejected by the control parser when available;
- the raw request bytes or a privacy-safe capture sufficient to reproduce parsing, plus the corresponding server log timestamp;
- proxy, gateway, or client component versions if an intermediary can rewrite the control exchange.
Focused test
Replay the same operation with one known-valid control request and compare it with the failing request at the parser boundary. Correct the malformed field or the component that generated it; restarting the media session without changing the control data does not prove a repair.
Verification
Confirm that the same semantic request now passes control parsing and reaches the next expected server stage. Keep a deliberately malformed fixture when possible to verify that invalid control data is still rejected.
Technical references
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