batcmd.com Windows XP Services

Microsoft WINMM WDM Audio Compatibility Driver - Windows XP Service

MMSYSTEM Wave/Midi API mapper by Microsoft Corporation.

This service exists in Windows XP only.

Startup Type

Windows XP edition without SP SP1 SP2 SP3
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Default Properties

Display name:Microsoft WINMM WDM Audio Compatibility Driver
Service name:wdmaud
Type:kernel
Path:%WinDir%\system32\drivers\wdmaud.sys
Error control:normal

Default Behavior

The Microsoft WINMM WDM Audio Compatibility Driver service is a kernel driver. If the Microsoft WINMM WDM Audio Compatibility Driver fails to load or initialize, the error is recorded into the Event Log. Windows XP startup should proceed, but a message box is displayed informing you that the wdmaud service has failed to start.

Restore Default Startup Type for Microsoft WINMM WDM Audio Compatibility Driver

Automated Restore

1. Select your Windows XP edition and Service Pack, and then click on the Download button below.

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

3. Run the downloaded batch file.

4. Restart the computer to save changes.

Note. Make sure that the wdmaud.sys file exists in the %WinDir%\system32\drivers folder. If this file is missing you can try to restore it from your Windows XP installation media.