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MF_E_GRL_VERSION_TOO_LOW
MF_E_GRL_VERSION_TOO_LOW is a version-policy failure for the Global Revocation List (GRL). Media Foundation output policy can state the minimum GRL version that the protected environment must enforce.
Compare the required and installed GRL versions
- Capture the policy context and the minimum version returned by
IMFOutputPolicy::GetMinimumGRLVersion. - Record the GRL version present on the machine at the time the protected session is created.
- Check whether component renewal or system servicing is pending before rebuilding the media topology.
This is not the same as MF_E_GRL_ABSENT or a malformed GRL. The list exists and is readable enough to identify its version, but the policy requires a newer revocation baseline. Reinstalling a decoder does not satisfy that minimum. Update the protected-media trust data through the supported servicing path, then recreate the protected environment so the new GRL is evaluated.
Microsoft: GetMinimumGRLVersion · Microsoft: IMFOutputPolicy · Microsoft: GRL revocation and renewal
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