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NS_E_DRM_SECURE_STORE_UNLOCK_ERROR
The exact DRM condition
NS_E_DRM_SECURE_STORE_UNLOCK_ERROR is Windows Media DRM HRESULT 0xC00D2715. It identifies the client cannot unlock secure-store state required for DRM processing. The useful scope is the protected repositories that hold licenses and DRM state, together with the hardware and checkpoint data used to bind that state to one installation; it is not a generic statement that the media player, network or file system failed.
Record machine-binding, credential/protection context and the earliest unlock status.
The surrounding protocol and store state
A license is stored in the protected local license store after acquisition; a store failure is therefore distinct from a server refusing to issue a license. Machine-bound state cannot be diagnosed safely by copying store files between computers or by deleting the original before evidence is preserved.
Evidence worth preserving
- Code-specific proof: record machine-binding, credential/protection context and the earliest unlock status.
- Protected identity: first store API call that failed: open, enumerate, save, close or query, with.
- Operation state: license identifier and content key identifier (KID).
- Persistence or transport: store path, file generation, access result and underlying system error.
- Security context: hardware identity and the last hardware or operating-system change.
- Correlation point: checkpoint, secure-store and registry persistence sequence.
Related codes and the diagnostic split
| Result | Different condition |
|---|---|
NS_E_DRM_LICENSE_STORE_SAVE_ERROR | An acquired or updated license could not be committed to the local license store. |
NS_E_DRM_SECURE_STORE_ERROR | The protected secure-state repository cannot complete the requested operation. |
NS_E_DRM_LICENSE_STORE_ERROR | The local license repository failed before a particular license operation could complete, with. |
Diagnostic sequence
- Prove the boundary by ensuring you can record machine-binding, credential/protection context and the earliest unlock status.
- After you restore the matching protected context or supported machine state, verify both the requested right and the final store/device state.
Correcting the producing condition
Resolve the underlying condition directly: restore the matching protected context or supported machine state. A player reinstall, reboot or new license request is useful only when it changes the condition “secure store unlock error” and can be verified against the original evidence.
Representative case: A restored installation sees the secure-store files but cannot open their protected contents.
Regression check
Repeat the operation that originally returned this result. Assert the exact HRESULT at the producing API in the failing “secure store unlock error” fixture; then change only the relevant precondition and confirm that the corrected run completes without substituting a neighboring DRM result. After correcting it, verify the requested action and the final license-store, secure-clock, device or migration state relevant to “secure store unlock error”.
Code-specific operational note
The user-facing message “A problem has occurred in the Digital Rights Management component.
Technical references
- Licenses and the local license store — platform documentation used to distinguish this result from adjacent results.
- Enumerating licenses in the local store.
- DRM client interfaces.
- Windows Media DRM error codes
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