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NS_E_MSBD_NO_LONGER_SUPPORTED
The requested transport is obsolete
NS_E_MSBD_NO_LONGER_SUPPORTED (0xC00D2EEC) is not a transient connectivity error. It means the request is attempting to use the retired MSBD protocol, which the Windows Media client/server path no longer supports.
Identify where MSBD was selected
Record the original URL, scheme/protocol selected by the client, redirect history, proxy configuration, and publishing endpoint. The useful question is whether legacy configuration or a stored URL forced MSBD before normal streaming-session negotiation began.
Correct transport selection
Use a supported transport, such as the HTTP-based Windows Media streaming path appropriate to the server, while keeping the same resource. If the supported protocol reaches the server and then fails authentication, redirection, or session setup, diagnose that new result. Retrying MSBD or tuning socket timeouts cannot make an unsupported protocol valid.
Technical references
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