E_AUDIO_ENGINE_NODE_NOT_FOUND

PortCls could not find an audio engine node exposed by a miniport driver claiming support for IMiniportAudioEngineNode.

Matched as: the code as given (hex)

HRESULT breakdown: code: 1, customer: False, facility: 102, severity: failure (bit 31 set), ntstatus_wrapped: False

Source: COM Error Codes (UI, Audio, DirectX, Codec) (Winerror.h) · CC BY 4.0 · wording unchanged, formatting adapted for this site · retrieved 2026-10-24