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NS_E_DRM_LICENSE_NOTENABLED
NS_E_DRM_LICENSE_NOTENABLED: the failing boundary
NS_E_DRM_LICENSE_NOTENABLED (0xC00D27D9) means The license for this file is not valid yet, but will be at a future date. The important boundary is DRM license validity; do not replace this result with a broader “Windows Media failed” diagnosis.
What this result proves
This code proves that the selected license exists but its valid-from time is still in the future. It does not, by itself, prove a codec, permissions, network, device, or media problem outside that boundary. Preserve the first lower-level result when one exists, because later Player or Encoder errors can hide the original cause.
Evidence and focused verification
Record license/kid identity, secure time and not-before value; wait for or obtain a currently valid license rather than treating the file as corrupt. Keep the media object, endpoint, profile, or device identity fixed while changing only that rejected precondition. A successful retest should pass this exact boundary; a different HRESULT from a later stage is new evidence, not recurrence of NS_E_DRM_LICENSE_NOTENABLED.
Technical references
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