batcmd.com Windows Vista Services

Microsoft Multi-Path Device Specific Module - Windows Vista Service

Microsoft Device Specific Module by Microsoft Corporation.

This service also exists in Windows 7.

Startup Type

Since Microsoft Multi-Path Device Specific Module is a kernel mode driver, its startup might be configured depending on installed hardware. Changing its startup configuration might cause hardware issues. In the table below you can see how it is configured on my system, but your default settings might differ from mine.

Windows Vista edition without SP SP1 SP2
Starter Disabled Disabled Disabled
Home Basic Disabled Disabled Disabled
Home Premium Disabled Disabled Disabled
Business Disabled Disabled Disabled
Ultimate Disabled Disabled Disabled

Default Properties

Display name:Microsoft Multi-Path Device Specific Module
Service name:msdsm
Type:kernel
Path:%WinDir%\system32\drivers\msdsm.sys
Error control:normal
Group:System Bus Extender

Default Behavior

Microsoft Multi-Path Device Specific Module is a kernel mode driver. If Microsoft Multi-Path Device Specific Module fails to start, the error is recorded into the Event Log. Windows Vista startup proceeds, but a message box is displayed informing you that the msdsm service has failed to start.

Restore Default Startup Type for Microsoft Multi-Path Device Specific Module

Automated Restore

1. Select your Windows Vista edition and Service Pack, and then click on the Download button below.

2. Save the RestoreMicrosoftMultiPathDeviceSpecificModuleWindowsVista.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 msdsm.sys file exists in the %WinDir%\system32\drivers folder. If this file is missing you can try to restore it from your Windows Vista installation media.