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NS_E_DRM_SDMI_TRIGGER
The exact DRM condition
0xC00D2755 maps to NS_E_DRM_SDMI_TRIGGER. Read it as a result from portable-device certificate, secure clock and transfer policy: the requested transfer encounters an SDMI policy trigger requiring an upgraded application path. Keeping the “sdmi trigger” boundary intact prevents a later playback message from hiding the original DRM failure.
Record transfer destination, license rights and application security/version.
A useful investigation order
- Prove the boundary by ensuring you can record transfer destination, license rights and application security/version.
- After you use a compatible upgraded application and re-evaluate the transfer right, verify both the requested right and the final store/device state.
State to capture before retry
- Protected identity: secure clock value, source and last successful update.
- Operation state: requested transfer/burn action and license restriction.
- Persistence or transport: device activation, registration and metering result.
- Security context: device model, firmware and WMDRM capability.
- Correlation point: device certificate chain and serial identity.
What not to do first
- Avoid treating an unsupported-device result as a generic USB or file-copy failure.
- Avoid formatting the device before preserving its certificate, clock and firmware evidence.
Targeted fix
Resolve the underlying condition directly: use a compatible upgraded application and re-evaluate the transfer right. A player reinstall, reboot or new license request is useful only when it changes the condition “sdmi trigger” and can be verified against the original evidence.
Nearby results with different meanings
| Result | Different condition |
|---|---|
NS_E_DRM_SDMI_NOMORECOPIES | The license copy count for the SDMI transfer has been exhausted. |
NS_E_DRM_DEVICE_ACTIVATION_CANCELED | The portable device does not have the security required to copy protected files to it. To obtain the additional security, try to copy the file to your portable device again. When a message appears, click ok. |
NS_E_DRM_UNABLE_TO_CREATE_DEVICE_REGISTRATION_OBJECT | The DRM runtime cannot create the device-registration object required for this operation. |
Technical references
- IWMDRMDeviceApp interface.
- Device registration.
- Output protection levels — API and state rules for the DRM operation described here.
- Windows Media DRM error codes.
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