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NS_E_WAVE_OPEN
NS_E_WAVE_OPEN — 0xC00D006D
Diagnosing NS_E_WAVE_OPEN
NS_E_WAVE_OPEN identifies this Windows Media Services boundary: error opening wave device, the device might be in use.
Why this boundary matters
This HRESULT is tied to one multimedia device/provider boundary. Preserve the physical/logical device identity, selected channel or format, provider capabilities and the first native open/control result before changing hardware or format together.
Evidence to collect
| Field | What to preserve |
|---|---|
| Device | Concrete device/channel identity and the server object that selected it. |
| Request | Requested format, channel or operation parameters. |
| Provider | Driver/provider identity and capability enumeration for the same device generation. |
| Native result | First open/control/format error returned by the device layer. |
Decision rule
Keep the hardware identity fixed during the first retest; changing both device and format cannot show whether the original provider/capability state caused the error.
Focused test
Record the wave device identity, requested format, sharing/exclusive state and first multimedia/system open error; verify the same device can be opened with that format.
Verification
Repeat the operation with the same device identity and requested channel/format after correcting one provider or capability precondition. A different device is only a control and does not prove the original device state was repaired.
Technical references
- Windows Media Services 9 Series SDK
- Windows Media Services protocol relationships
- Microsoft HRESULT values for the Windows Media namespace
For automation, log the symbolic name as well as the numeric HRESULT. The symbolic name preserves the Windows Media subsystem boundary that a generic COM error formatter can obscure.
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