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| MF_E_NETWORK_RESOURCE_FAILURE | MF_E_NET_READ |
MF_E_NET_WRITE
MF_E_NET_WRITE means the media networking component could not send data to its peer. The failure can occur after a connection was opened, so DNS success alone does not rule it out.
What to check
- Capture the destination URL, selected protocol, and transport used for the stream.
- Check for a peer reset, proxy close, firewall interruption, or application cancellation at the same time.
- Collect network-source statistics and client logging before changing buffer settings.
Microsoft: Networking in Media Foundation
Microsoft: Media Foundation client logging
Microsoft: MFNETSOURCE_STATISTICS property
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