Microsoft Kernel DRM Audio Descrambler (drmkaud) Service Defaults in Windows XP

Microsoft Kernel DRM Audio Descrambler Filter by Microsoft Corporation.

Default Settings

Startup type: Manual
Display name:Microsoft Kernel DRM Audio Descrambler
Service name:drmkaud
Service type:kernel
Error control:normal
Path:%SystemRoot%\system32\drivers\drmkaud.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\drmkaud

Default Behavior

Microsoft Kernel DRM Audio Descrambler is a kernel device driver. In Windows XP it won't start until the current user starts it. If the Microsoft Kernel DRM Audio Descrambler fails to start, the technical information about the error is added to the Event Log. Windows XP startup should proceed, but a message box should be displayed informing the user that the drmkaud service has failed to start.

Restore Default Startup Configuration of Microsoft Kernel DRM Audio Descrambler

1. Run the Command Prompt.

2. Copy the command below, paste it into the command window and press ENTER:

sc config drmkaud start= demand

3. Close the command window and restart the computer.

The drmkaud service is using the drmkaud.sys file that is located in the C:\Windows\system32\drivers directory. If the file is removed or corrupted, read this article to restore its original version from Windows XP installation media.