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MF_E_NET_TIMEOUT
MF_E_NET_TIMEOUT means the media path timed out. Depending on the scenario, this can be a server response delay, a lost keep-alive, or missing media traffic. It should be investigated with the selected transport and buffering history.
What to check
- Correlate the timeout with server load, proxy latency, and network-source statistics.
- Check whether TCP or UDP was selected and whether the chosen transport is allowed on the path.
- Retry only after verifying that the endpoint is healthy; repeated immediate retries can overload an already slow service.
Microsoft: Media Foundation client logging
Microsoft: MFNETSOURCE_STATISTICS property
Microsoft: Supported protocols for Media Foundation network sources
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