batcmd.com Windows 11 Services

Microsoft UAA Bus Driver for High Definition Audio - Windows 11 Service

This service also exists in Windows 10, 7, 8 and Vista.

Startup Type

Windows 11 version Home Pro Education Enterprise
21H2 Manual Manual Manual Manual
22H2 Manual Manual Manual Manual
23H2 Manual 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 11 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 11 edition and release, and then click on the Download button below.

2. Save the RestoreMicrosoftUAABusDriverforHighDefinitionAudioWindows11.bat file to any folder on a local drive such as SSD or a hard disk.

3. Right-click the downloaded batch file and select Properties.

4. Check the Unblock checkbox and click OK.

5. Right-click the batch file again and select Run as administrator.

6. Restart the computer to save changes.

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 11 installation media.

Yea, though I walk through the valley of the shadow of death, I will fear no evil: for thou art with me; thy rod and thy staff they comfort me.