NS_E_UNCOMPRESSED_DIGITAL_AUDIO_PROTECTION_LEVEL

Status / error code:

Category:

Constant name:

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Operating System:

Description:

Windows Media Player does not support the level of protection required for uncompressed digital audio.%0

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NS_E_COMPRESSED_DIGITAL_AUDIO_PROTECTION_LEVEL_UNSUPPORTED	NS_E_OUTPUT_PROTECTION_SCHEME_UNSUPPORTED

NS_E_UNCOMPRESSED_DIGITAL_AUDIO_PROTECTION_LEVEL_UNSUPPORTED

Failure scope

For NS_E_UNCOMPRESSED_DIGITAL_AUDIO_PROTECTION_LEVEL_UNSUPPORTED, the failed contract is that the PCM/uncompressed audio path cannot satisfy the license protection requirement. The owner is Windows Media DRM output protection; its working contract covers license-policy evaluation that compares the content owner’s required output protection level or scheme with the active audio/video output path.

Confirm the producer by doing one thing first: record endpoint, driver and uncompressed-audio OPL capability.

Data worth retaining

A complete incident ties together license OPL fields, play or copy action, output connector type, compressed/uncompressed state, driver-reported protection capability and selected rendering path; the minimum correlation set is the requested action, required OPL values, active connector, negotiated protection mechanism and whether the stream is compressed at that boundary.

The scope stays narrow: the PCM/uncompressed audio path cannot satisfy the license protection requirement. Other content or actions may still be valid.

Test without erasing evidence

Preserve this result and 0xC00D2909 before cleanup, fallback or another media item changes the context.
Associate this result with its current Windows Media DRM output protection object and the requested action.
Compare the failure with a known-good case that changes only the property named by this condition: the PCM/uncompressed audio path cannot satisfy the license protection requirement.
Apply the targeted fix: use a trusted protected audio endpoint or qualifying driver.
Repeat the same action with the same content/device identity and verify that this result is not replaced by another policy or trust failure.

The transition to retest

When documenting it, state the rejected input and the expected successor state. The rejected input is demonstrated when you record endpoint, driver and uncompressed-audio OPL capability; the successor becomes reachable after you use a trusted protected audio endpoint or qualifying driver. Record the first lower-layer status beside it because wrapper HRESULTs can otherwise conceal the producing component.

Separate cause from wrapper

The PCM/uncompressed audio path cannot satisfy the license protection requirement.

Verification inputs

Field	Value
Direct check	record endpoint, driver and uncompressed-audio OPL capability

Different owners, similar dialog

Result	Why it points elsewhere
`NS_E_ANALOG_VIDEO_PROTECTION_LEVEL_UNSUPPORTED`	the analog video output cannot apply the policy required by the license
`NS_E_COMPRESSED_DIGITAL_AUDIO_PROTECTION_LEVEL_UNSUPPORTED`	compressed digital audio output lacks the protection level demanded by the license
`NS_E_OUTPUT_PROTECTION_SCHEME_UNSUPPORTED`	the license names an output-protection scheme unavailable on the selected path

When a retry is valid

Recovery should change the failed precondition by choosing to use a trusted protected audio endpoint or qualifying driver.

Do not treat every output-protection result as a missing codec; the decoder can be present while the connector or driver cannot enforce the license policy.

Technical references

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