HRESULT 0xC00D2733 (NS_E_DRM_UNABLE_TO_CREATE_DECRYPT

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Description:

A problem has occurred in the Digital Rights Management component. Contact Microsoft product support.%0.

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NS_E_DRM_UNABLE_TO_CREATE_ENCRYPT_OBJECT	NS_E_DRM_UNABLE_TO_CREATE_PROPERTIES_OBJECT

NS_E_DRM_UNABLE_TO_CREATE_DECRYPT_OBJECT

How to classify this result

The symbolic result NS_E_DRM_UNABLE_TO_CREATE_DECRYPT_OBJECT narrows 0xC00D2733 to protected content header, keys and cryptographic processing. In practical terms, the DRM runtime cannot create the decryption object required for this operation; the producing layer is the path that parses the DRM header, selects a KID and algorithm, validates signed data, creates cryptographic objects and encrypts or decrypts protected media samples.

The built-in message summarizes the user-visible outcome, while the symbolic phrase “unable to create decrypt object” preserves the exact WMDRM boundary for diagnosis. For this code, the proof step is to record the factory/interface call, runtime and stub-library versions, outer object state and first inner HRESULT.

How to prove the condition

Locate the earliest API return, callback or event containing NS_E_DRM_UNABLE_TO_CREATE_DECRYPT_OBJECT and 0xC00D2733.
Identify the exact content, license, store, device or migration object generation involved in “unable to create decrypt object”.
Determine whether “unable to create decrypt object” occurred before network exchange, during response validation, while enforcing policy, or while committing protected state.
Perform the code-specific check: record the factory/interface call, runtime and stub-library versions, outer object state and first inner HRESULT.
Make one narrow correction — correct component/version or initialization state and create a fresh decryption object — and repeat the same producing operation.

Which component owns the failure

Do not flatten NS_E_DRM_UNABLE_TO_CREATE_DECRYPT_OBJECT into a generic DRM error. A malformed content header, an invalid license XML document and a decryption failure occur at different boundaries and require different replacement artifacts. The second relevant rule is that protected content should be identified by hashes and KIDs in support records; content keys and complete license blobs should not be exposed.

Diagnostic inputs that separate the causes

Capture the first NS_E_DRM_UNABLE_TO_CREATE_DECRYPT_OBJECT occurrence before retry or teardown changes state. The smallest useful record contains:

Code-specific proof: record the factory/interface call, runtime and stub-library versions, outer object state and first inner HRESULT.
Protected identity: KID, license ID and key-selection result.
Operation state: algorithm, key length and coding object type.
Persistence or transport: signature or certificate validation status.
Security context: first failing sample offset rather than only the player-level message.
Correlation point: ASF/DRM header bytes and declared version.

Prefer IDs, hashes, sizes, and timestamps. Never log keys, passwords, licenses, or decrypted media.

What a supported fix should change

The corrective direction is to correct component/version or initialization state and create a fresh decryption object. Preserve the original content/header, store or migration material for NS_E_DRM_UNABLE_TO_CREATE_DECRYPT_OBJECT until the operation succeeds and survives a fresh application object or required restart.

Representative case: The application reaches the decryption stage but object construction fails before any content or server work begins.

Do not merge these HRESULTs

Result	Different boundary
`NS_E_DRM_UNABLE_TO_CREATE_ENCRYPT_OBJECT`	The DRM runtime cannot create the encryption object required for this operation.
`NS_E_DRM_GET_CONTENTSTRING_ERROR`	The client cannot obtain the DRM content string/header data from the media object.
`NS_E_DRM_LICENSE_INVALID_XML`	The license is corrupted. acquire a new license in the Windows Media DRM client

Order the NS_E_DRM_UNABLE_TO_CREATE_DECRYPT_OBJECT event chain by timestamp; prefer the earliest specific result.

How to know the fix is real

After the repair, recreate the WMDRM object and run the smallest reproducer for NS_E_DRM_UNABLE_TO_CREATE_DECRYPT_OBJECT. Confirm that 0xC00D2733 no longer occurs, that the intended license action completes, and that no store, certificate, clock or migration warning replaces it.

What the missing object would have owned

In the NS_E_DRM_UNABLE_TO_CREATE_DECRYPT_OBJECT path, the decryption object normally uses an accepted license and key to transform protected samples for the trusted playback path. Object creation fails before that responsibility can be transferred to a live interface, so later player or server messages are secondary.

For this object specifically, preserve the selected license, KID, sample offset and protected-path state. A successful fix should create a new decryption object and then complete its first real operation, not merely make the factory call return a different generic error.

Technical references

Overview of Windows Media DRM — API and state rules relevant to this boundary.
DRM protection and license distribution — platform documentation used to distinguish this result from adjacent results.
DRM versions — official Windows Media DRM context for NS_E_DRM_UNABLE_TO_CREATE_DECRYPT_OBJECT.
Windows Media DRM error codes

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