batcmd.com Windows 8 Services

Mount Point Manager - Windows 8 Service

Driver responsible with maintaining persistent drive letters and names for volumes.

This service also exists in Windows 10, 7, Vista and XP.

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:Mount Point Manager
Service name:mountmgr
Type:kernel
Path:%WinDir%\System32\drivers\mountmgr.sys
Error control:critical
Group:System Bus Extender

Default Behavior

The Mount Point Manager service is a kernel mode driver. If Mount Point Manager 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 for Mount Point Manager

Automated Restore

1. Select your Windows 8 release and edition, and then click on the Download button below.

2. Save the RestoreMountPointManagerWindows8.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 mountmgr.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.