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NS_E_DRM_CACHED_CONTENT_ERROR
What this HRESULT isolates
The symbolic result NS_E_DRM_CACHED_CONTENT_ERROR narrows 0xC00D274B to license validity, rights and policy enforcement. In practical terms, windows media digital rights management (drm) cannot play the protected file because you do not have the appropriate rights; the producing layer is the evaluation step that matches a license to protected content and decides whether the requested action is allowed under dates, counters, application security, device registration and output restrictions.
The built-in message summarizes the user-visible outcome, while the symbolic phrase “cached content error” preserves the exact WMDRM boundary for diagnosis. For this code, the proof step is to record the exact API, object state, input identity and first lower-level result associated with cached content error.
Which component owns the failure
Do not flatten this result into a generic DRM error. Possessing a license does not imply that every operation is permitted; rights and restrictions are evaluated for the requested action. The second relevant rule is that the same content can have several licenses, so diagnostics must identify the license actually selected by the DRM component.
Diagnostic inputs that separate the causes
Capture the first occurrence before retry or teardown changes state. The smallest useful record contains:
- Code-specific proof: record the exact API, object state, input identity and first lower-level result associated with cached content error.
- Protected identity: requested action such as play, copy, burn or transfer.
- Operation state: license ID, KID and content-header identity.
- Persistence or transport: valid-from, expiration and secure-clock values.
- Security context: application security level and required output protection.
- Correlation point: remaining counts, device registration and revocation state.
Prefer IDs, hashes, sizes, and timestamps. Never log keys, passwords, licenses, or decrypted media.
How to prove the condition
- Start from
0xC00D274Band map it to the first WMDRM object that returned it. - Separate content/header evidence, license evidence, machine/device evidence and service/network evidence around “cached-content DRM failure”.
- Before retrying this result, check whether another “cached-content DRM failure” operation was active or whether the previous result may have committed partially.
- Record the exact API, object state, input identity and first lower-level result associated with the failing operation.
- Apply the smallest supported fix: correct the producing DRM state or input and retry with a fresh operation object; avoid resetting unrelated protected state.
What a supported fix should change
The supported response to this result is narrow: correct the producing DRM state or input and retry with a fresh operation object. After correcting it, reopen or recreate the object that owned “cached-content DRM failure” so cached state from the failed generation is not mistaken for the repair result.
Representative case: The application reaches this path and receives this exact HRESULT before the higher-level media action can complete.
Do not merge these HRESULTs
| Result | Different boundary |
|---|---|
NS_E_DRM_LICENSE_UNUSABLE | The license is invalid. Contact the content provider for further assistance. |
NS_E_DRM_ACTION_NOT_QUERIED | The application attempts a protected action before querying whether the license permits it. |
NS_E_DRM_NO_RIGHTS | The selected license does not grant the action requested by the caller. |
Order the result event chain by timestamp; prefer the earliest specific result.
How to know the fix is real
A valid regression for it has two fixtures: one that deliberately produces “windows media digital rights management (drm) cannot play the protected file because you do not have the appropriate rights” and one that applies the targeted correction. Compare callback order, selected license/KID, final rights decision and persistence state; disappearance of the “cached-content DRM failure” dialog alone is not proof.
Code-specific operational note
The symbolic phrase “cached-content DRM failure” is the important search and telemetry key for it. Keep it beside the exact value 0xC00D274B; the official message “Windows Media Digital Rights Management (DRM) cannot play the protected file because you do not have the appropriate rights.” is useful to users, but it does not identify the producing API, object generation or protected identity on its own.
Technical references
- DRM basics and rights enforcement — official Windows Media DRM context for it.
- Licenses and the local license store — API and state rules relevant to this boundary.
- Output protection levels — platform documentation used to distinguish this result from adjacent results.
- DRM protection and license distribution
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