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MF_E_NET_CLIENT_CLOSE
MF_E_NET_CLIENT_CLOSE means the control connection was closed locally by the client. It often follows cancellation, shutdown, a source stop request, or an application lifecycle race.
What to check for MF_E_NET_CLIENT_CLOSE
- Check whether application code called stop, close, or cancellation before the network operation completed.
- Inspect concurrent state changes around media session shutdown.
- Treat this as a local lifecycle signal before looking for a server-side fault.
Microsoft: Networking in Media Foundation
Microsoft: Media Foundation client logging
Diagnostic interpretation
This result has the HRESULT value 0xC00D4279. AllStat records the condition as “The control socket is closed by the client.%0”.
Evidence to capture
- Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions this result or the mf / net / client / close operation.
- check the documented return contract of the specific API because the same HRESULT can require different recovery in different interfaces.
Retry and recovery
%0” has changed.
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