Microsoft Virtual Drive Enumerator - Windows 8 Service
Virtual Drive Root Enumerator by Microsoft Corporation.
This service also exists in Windows 10, 11 and 7.
Startup Type
| Windows 8 edition | Windows 8 | Windows 8.1 | Windows 8.1 Update 1 |
|---|---|---|---|
| Core | Boot | Boot | Boot |
| Pro | Boot | Boot | Boot |
| Enterprise | Boot | Boot | Boot |
Default Properties
| Display name: | Microsoft Virtual Drive Enumerator |
| Service name: | vdrvroot |
| Type: | kernel |
| Path: | %WinDir%\System32\drivers\vdrvroot.sys |
| Error control: | critical |
| Group: | Boot Bus Extender |
Default Behavior
The Microsoft Virtual Drive Enumerator service is a kernel mode driver. If Microsoft Virtual Drive Enumerator fails to load or initialize, the error is logged and the computer attempts to restart, using the Last Known Good configuration. If the Last Known Good configuration fails, Windows 8 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 8 will fail to start. Do NOT change this service startup configuration if your computer is working.
Restore Default Startup Type of Microsoft Virtual Drive Enumerator
Automated Restore
1. Select your Windows 8 release and edition, and then click on the Download button below.
2. Save the RestoreMicrosoftVirtualDriveEnumeratorWindows8.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.
Note. Make sure that the vdrvroot.sys file exists in the %WinDir%\System32\drivers folder. If this file is missing you can try to restore it from your Windows 8 installation media.