What does HRESULT 0xC00D4275 (MF_E_NET_REDIRECT) mean?

 
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MF_E_NET_REQUIRE_INPUT MF_E_NET_REDIRECT_TO_PROXY

MF_E_NET_REDIRECT

MF_E_NET_REDIRECT reports that the client was redirected to another server. A redirect is not inherently a failure, but it becomes one when the application refuses it, loses credentials, changes protocol unexpectedly, or loops.

What to check

  • Log the original and destination URLs and every hop in the redirect chain.
  • Verify that the destination uses a supported protocol and preserves required authorization.
  • Check whether the application is deliberately blocking cross-host or cross-scheme redirects.

Microsoft: Networking in Media Foundation

Microsoft: Supported protocols for Media Foundation network sources

RFC 9110: HTTP semantics


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