Microsoft Trusted Audio Drivers - Windows 10 Service
Microsoft Trusted Audio Drivers by Microsoft Corporation.
This service also exists in Windows 11 and XP.
Startup Type
| Windows 10 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 1507 | not exists | not exists | not exists | not exists |
| 1511 | not exists | not exists | not exists | not exists |
| 1607 | not exists | not exists | not exists | not exists |
| 1703 | Manual | Manual | Manual | Manual |
| 1709 | Manual | Manual | Manual | Manual |
| 1803 | Manual | Manual | Manual | Manual |
| 1809 | Manual | Manual | Manual | Manual |
| 1903 | Manual | Manual | Manual | Manual |
| 1909 | Manual | Manual | Manual | Manual |
| 2004 | Manual | Manual | Manual | Manual |
| 20H2 | Manual | Manual | Manual | Manual |
| 21H1 | Manual | Manual | Manual | Manual |
| 21H2 | Manual | Manual | Manual | Manual |
| 22H2 | Manual | Manual | Manual | Manual |
Default Properties
| Display name: | Microsoft Trusted Audio Drivers |
| Service name: | drmkaud |
| Type: | kernel |
| Path: | %WinDir%\System32\drivers\drmkaud.sys |
| Error control: | normal |
Default Behavior
The Microsoft Trusted Audio Drivers service is a kernel mode driver. If Microsoft Trusted Audio Drivers fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the drmkaud service has failed to start.
Restore Default Startup Type of Microsoft Trusted Audio Drivers
Automated Restore
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreMicrosoftTrustedAudioDriversWindows10.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 to save changes.
Note. Make sure that the drmkaud.sys file exists in the %WinDir%\System32\drivers folder. If this file is missing you can try to restore it from your Windows 10 installation media.