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 |
|---|---|---|---|---|
| Home | Manual | Manual | Manual | Manual |
| Professional | Manual | Manual | Manual | Manual |
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 of 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.