batcmd.com Windows XP Services

Portable Media Serial Number - Windows XP Service

Retrieves the serial number of any portable music player connected to your computer.

This service exists in Windows XP only.

Startup Type

Windows XP edition without SP SP1 SP2 SP3
Home Automatic Automatic not exists not exists
Professional Automatic Automatic not exists not exists

Default Properties

Display name:Portable Media Serial Number
Service name:WmdmPmSp
Type:share
Path:%WinDir%\System32\svchost.exe -k netsvcs
File:%WinDir%\System32\mspmspsv.dll
Error control:normal
Object:LocalSystem

Default Behavior

The Portable Media Serial Number service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Portable Media Serial Number fails to load or initialize, the error is recorded into the Event Log. Windows XP startup should proceed, but a message box is displayed informing you that the WmdmPmSp service has failed to start.

Restore Default Startup Type for Portable Media Serial Number

Automated Restore

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

2. Save the RestorePortableMediaSerialNumberWindowsXP.bat file to any folder on your hard drive.

3. Run the downloaded batch file.

4. Restart the computer to save changes.

Note. Make sure that the mspmspsv.dll file exists in the %WinDir%\System32 folder. If this file is missing you can try to restore it from your Windows XP installation media.