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NS_E_WMP_CANT_PLAY_PROTECTED
Diagnosing NS_E_WMP_CANT_PLAY_PROTECTED
0xC00D0FF3 maps to this result. Its actionable interpretation is the item is protected DVR-MS content that this WMP path cannot add to the library or play within the WMP playback core, graph and media-resource boundary; the producing mechanism is the core that resolves Player.URL, selects or builds a playback graph, chooses codecs and devices, prerolls media and advances between playlist items while reporting asynchronous errors.
Evidence that separates the result
| Field | What to record |
|---|---|
| Decisive check | Record container type, protection flags, acquisition source and whether the same recording is playable in its supported environment |
| Artifact identity | Audio/video device identity and driver generation for the cannot play protected reproduction |
| Runtime state | Ordered ErrorItem queue with errorCode, errorContext and media object for this reproduction |
| Owning object | Player.URL, current media sourceURL and resolved final URL for this reproduction |
| Lower-level result | Play state and transition immediately before failure for this reproduction |
| Correlation | Selected graph/source/filter or codec identity and version for this reproduction |
Representative case: A protected DVR-MS recording is dragged into a library that can catalog ordinary media but cannot consume this protected item. The example isolates only the producing component.
Focused test and correction
- Confirm the failure directly: record container type, protection flags, acquisition source and whether the same recording is playable in its supported environment.
- After you use a player and device path authorized for that recording; do not strip or rewrite protection metadata, recreate the owning WMP object and verify that the corrected generation completes.
Nearby results with different boundaries
| Result | Different boundary |
|---|---|
NS_E_WMP_SENDMAILFAILED | The Player could not hand a media link to the configured mail client |
NS_E_WMP_MLS_STALE_DATA | Time-sensitive Media Library Service data no longer agrees with the machine clock or expected freshness window |
NS_E_NEED_TO_ASK_USER | The operation reached a policy or choice point that requires interactive user input |
Verification
Repeat the original operation with a fresh owning object after the identified precondition is corrected. Treat this result as resolved only when that same operation passes this stage; preserve any later HRESULT as a separate failure.
Technical references
- Windows Media Player SDK — API or format context for this HRESULT.
- Player MediaError event — documentation used to identify the producing boundary of this result.
- ErrorItem object — normative or platform material relevant to this result.
- Supported protocols and file types
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