What does HRESULT 0xC00D716D (MF_E_PROCESS_RESTART_REQUIRED) mean?

 
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MF_E_ALL_PROCESS_RESTART_REQUIRED MF_E_USERMODE_UNTRUSTED

MF_E_PROCESS_RESTART_REQUIRED

MF_E_PROCESS_RESTART_REQUIRED means the current process is still associated with protected-media state created before a GRL reload. Continuing to reuse the same session or protected-media objects cannot make that state current.

Perform a real process restart

  • Release the application by terminating the process, not merely closing and recreating a Media Session inside it.
  • On the next launch, create new presentation descriptors and let MFRequireProtectedEnvironment determine whether the presentation needs PMP.
  • If PMP is required, create a fresh PMP Media Session and retain the first trust HRESULT if initialization still fails.

Do not confuse this with MF_E_ALL_PROCESS_RESTART_REQUIRED. Here the documented scope is the current process; the other status explicitly covers all processes capable of protected-media playback. Telemetry should record which scope was requested because it determines whether restarting one application instance can be sufficient.

Microsoft: GRL revocation and renewal · Microsoft: MFRequireProtectedEnvironment · Microsoft: creating a new PMP Media Session


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