batcmd.com Windows 8 Services

Microsoft UAA Bus Driver for High Definition Audio - Windows 8 Service

High Definition Audio Bus Driver by Microsoft Corporation.

This service also exists in Windows 10, 7 and Vista.

Startup Type

Windows 8 edition Windows 8 Windows 8.1 Windows 8.1 Update 1
Core Manual Manual Manual
Pro Manual Manual Manual
Enterprise Manual Manual Manual

Default Properties

Display name:Microsoft UAA Bus Driver for High Definition Audio
Service name:HDAudBus
Type:kernel
Path:%WinDir%\System32\drivers\HDAudBus.sys
Error control:normal
Group:Extended Base

Default Behavior

The Microsoft UAA Bus Driver for High Definition Audio service is a kernel mode driver. If Microsoft UAA Bus Driver for High Definition Audio fails to start, the error is logged. Windows 8 startup proceeds, but a message box is displayed informing you that the HDAudBus service has failed to start.

Restore Default Startup Type for Microsoft UAA Bus Driver for High Definition Audio

Automated Restore

1. Select your Windows 8 release and edition, and then click on the Download button below.

2. Save the RestoreMicrosoftUAABusDriverforHighDefinitionAudioWindows8.bat file to any folder on your hard drive.

3. Right-click the downloaded batch file and select Run as administrator.

4. Restart the computer.

Note. Make sure that the HDAudBus.sys file exists in the %WinDir%\System32\drivers folder. If this file is missing you can try to restore it from your Windows 8 installation media.