| Previous | Next |
| NS_E_WMP_DRM_INVALID_SIG | NS_E_WMP_BURN_DISC_OVERFLOW |
NS_E_WMP_DRM_CANNOT_RESTORE
The first reliable fact
The condition encoded by 0xC00D11D8 is not generic playback failure; it is that the Player restore service rejected another restore within its rate or policy limit. Diagnosis of NS_E_WMP_DRM_CANNOT_RESTORE therefore starts in Windows Media Player rights processing, the layer responsible for the Player layer that opens protected media, queries the local license state, performs silent or interactive rights acquisition, validates DRM components and applies play, burn or sync restrictions.
The strongest confirmation is to record server time, account/device identity and prior restore attempts for the same period.
The transaction to reconstruct
The object graph behind this result includes content KID and header, license-store entry, requested action, acquisition URL, user/store context, secure clock and DRM component generation. A trace should retain the content KID, requested action, license-state query, acquisition callback sequence, server response category and the first lower-level DRM HRESULT.
That observation distinguishes this result from file corruption because the Player restore service rejected another restore within its rate or policy limit.
What the result does not prove
The established fact is that the Player restore service rejected another restore within its rate or policy limit. That fact does not independently establish damaged media bytes, a missing decoder, a generally broken network, or invalid rights for every other action.
If the Player, encoder, setup program or device layer later emits a broader error, retain this result as the first specific result. The object and operation attached to it are usually more diagnostic than a later cleanup or user-interface summary.
A controlled before/after test
When documenting it, state the rejected input and the expected successor state. The rejected input is demonstrated when you record server time, account/device identity and prior restore attempts for the same period; the successor becomes reachable after you wait for the permitted restore window or use the issuer’s support path without repeatedly consuming attempts. The result model is suitable for a regression fixture because its expected state change is observable without weakening the DRM policy.
Incident data
| Field | Value |
|---|---|
| Temporal state | trusted/system time, validity interval, request sequence and retry number when they influence it |
| Lower result | the earliest store, network, cryptographic, driver or provider status preceding the final it wrapper |
| Owner | operation, API/callback, object or session identifier, and component/device version associated with it |
| Direct check | record server time, account/device identity and prior restore attempts for the same period |
| Policy input | requested action plus the exact license, certificate, profile, output or registration property evaluated by it |
Reproduce at the owning layer
- Preserve it and
0xC00D11D8before cleanup, fallback or another media item changes the context. - Apply the narrow correction for this HRESULT: wait for the permitted restore window or use the issuer’s support path without repeatedly consuming attempts.
- Associate it with its current Windows Media Player rights processing object and the requested action.
- Run the direct check for this HRESULT: record server time, account/device identity and prior restore attempts for the same period.
- Compare the failure with a known-good case that changes only the property named by this condition: the Player restore service rejected another restore within its rate or policy limit.
- Repeat the same action with the same content/device identity and verify that it is not replaced by another policy or trust failure.
Do not merge these failures
| Result | Why it points elsewhere |
|---|---|
NS_E_WMP_DRM_NEW_HARDWARE | machine binding changed enough that previously stored rights no longer validate against the current hardware identity |
NS_E_WMP_DRM_INVALID_SIG | a required DRM component or protected object fails signature validation in the Player path |
NS_E_WMP_DRM_GENERIC_LICENSE_FAILURE | the Player wrapper could not reduce a rights-validation failure to a more specific public result |
Restore the required state
Repair the owner of the check: wait for the permitted restore window or use the issuer’s support path without repeatedly consuming attempts. Success means that the same requested action is accepted after that precise state change, not merely that another file or device happens to work.
- While investigating it, keep this restriction: Do not reset the local DRM store before recording the content KID and license-state result; a reset can turn a precise rights or signature failure into a generic missing-license condition.
- Do not alter trusted time, revocation enforcement, certificate validation or output policy merely to suppress it; that bypasses the decision instead of correcting its input.
- Retain one failing artifact and one corrected artifact so the resolution of it can be regression-tested.
Keep a diagnostic fixture
For the final it test, keep the content KID or file hash, requested action, user/account, device identity and output route unchanged wherever they apply.
Technical references
- Windows Media DRM overview — lists the security and state transitions used to interpret it.
- Acquiring licenses — defines the platform objects used when diagnosing it.
- Licenses and the local license store — documents the protocol or API boundary behind it.
- Windows Media Format SDK error codes — provides the normative workflow relevant to it.
Looking for a different code? Search another status or error code.