Windows XP Services

Fast User Switching Compatibility - Windows XP Service

Provides management for applications that require assistance in a multiple user environment.

This service exists in Windows XP only.

Startup Type

Windows XP edition without SP SP1 SP2 SP3
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Default Properties

Display name:Fast User Switching Compatibility
Service name:FastUserSwitchingCompatibility
Path:%WinDir%\System32\svchost.exe -k netsvcs
Error control:normal

Default Behavior

The Fast User Switching Compatibility service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Fast User Switching Compatibility 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 FastUserSwitchingCompatibility service has failed to start.


Fast User Switching Compatibility will not start, if the Terminal Services service is stopped or disabled.

Restore Default Startup Type for Fast User Switching Compatibility

Automated Restore

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

2. Save the RestoreFastUserSwitchingCompatibilityWindowsXP.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 shsvcs.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.

Yea, though I walk through the valley of the shadow of death, I will fear no evil: for thou art with me; thy rod and thy staff they comfort me.