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NS_E_DRM_NEEDS_INDIVIDUALIZATION
How to classify this result
The symbolic result NS_E_DRM_NEEDS_INDIVIDUALIZATION narrows 0xC00D2728 to DRM individualization and security-component upgrade. In practical terms, a security upgrade is required to perform the operation on this media file; the producing layer is the consent-driven security update that replaces a generic DRM component with an individualized component tied to the computer and then reports progress asynchronously.
How to prove the condition
- Locate the earliest API return, callback or event containing this result and
0xC00D2728. - Identify the exact content, license, store, device or migration object instance involved in “needs individualization”.
- Determine whether “needs individualization” occurred before network exchange, during response validation, while enforcing policy, or while committing protected state.
- Perform the code-specific check: record the exact API, object state, input identity and first lower-level result associated with this failure.
- Make one targeted change — correct the producing DRM state or input and retry with a fresh operation object — and repeat the same producing operation.
Diagnostic inputs that separate the causes
- Protected identity: individualization state and completion callback.
- Operation state: security-component version before and after the attempt.
- Persistence or transport: download/service response and signature validation result.
- Security context: user consent and cancellation point.
- Correlation point: whether the application is already individualized for the required level.
For the “needs individualization” investigation, use KIDs, license IDs, hashes, certificate thumbprints, sizes and timestamps where possible. Do not place content keys, complete license blobs, passwords, cookies or decrypted media in ordinary logs.
Common but unsafe responses
- Avoid repeating security upgrades concurrently or without waiting for the completion status.
- Avoid replacing individualized binaries manually or suppressing signature validation.
What a supported fix should change
Representative case: The application reaches the needs individualization path and receives this exact HRESULT before the higher-level media action can complete.
Do not merge these HRESULTs
| Result | Different condition |
|---|---|
NS_E_DRM_ALREADY_INDIVIDUALIZED | You already have the latest security components. No upgrade is necessary at this time. |
NS_E_DRM_INDIVIDUALIZING | A security-component individualization operation is already in progress. |
NS_E_DRM_INDIVIDUALIZE_ERROR | The security upgrade failed. Try again later. |
How to know the fix is real
After the repair, recreate the WMDRM object and run the smallest reproducer. Confirm that 0xC00D2728 no longer occurs, that the intended license action completes, and that no store, certificate, clock or migration warning replaces it.
Technical references
- DRM individualization — API and state rules for the DRM operation described here.
- Performing DRM individualization.
- Enabling DRM support.
- DRM client structures — API and state rules for the DRM operation described here.
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