batcmd.com Windows XP Services

Secondary Logon - Windows XP Service

Enables starting processes under alternate credentials. If this service is stopped, this type of logon access will be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start.

This service also exists in Windows 10, 7, 8 and Vista.

Startup Type

Windows XP edition without SP SP1 SP2 SP3
Home Automatic Automatic Automatic Automatic
Professional Automatic Automatic Automatic Automatic

Default Properties

Display name:Secondary Logon
Service name:seclogon
Path:%WinDir%\System32\svchost.exe -k netsvcs
File:%WinDir%\System32\seclogon.dll
Error control:ignore
Object:LocalSystem

Default Behavior

If the Secondary Logon fails to load or initialize, Windows XP start up proceeds. No warning is displayed, but the error is recorded into the Event Log.

Restore Default Startup Type for Secondary Logon

Automated Restore

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

2. Save the RestoreSecondaryLogonWindowsXP.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 seclogon.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.