Secondary Logon - Windows 10 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 7, 8, Vista and XP.
Startup Type
| Windows 10 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 1507 | Manual | Manual | Manual | Manual |
| 1511 | Manual | Manual | Manual | Manual |
| 1607 | Manual | Manual | Manual | Manual |
| 1703 | Manual | Manual | Manual | Manual |
| 1709 | Manual | Manual | Manual | Manual |
| 1803 | Manual | Manual | Manual | Manual |
| 1809 | Manual | Manual | Manual | Manual |
| 1903 | Manual | Manual | Manual | Manual |
| 1909 | Manual | Manual | Manual | Manual |
| 2004 | Manual | Manual | Manual | Manual |
| 20H2 | Manual | Manual | Manual | Manual |
| 21H1 | Manual | Manual | Manual | Manual |
| 21H2 | Manual | Manual | Manual | Manual |
| 22H2 | Manual | Manual | Manual | Manual |
Default Properties
| Display name: | Secondary Logon |
| Service name: | seclogon |
| Type: | share |
| Path: | %WinDir%\system32\svchost.exe -k netsvcs -p |
| File: | %windir%\system32\seclogon.dll |
| Error control: | normal |
| Object: | LocalSystem |
| Privileges: |
|
Default Behavior
The Secondary Logon service is running as LocalSystem in a shared process of svchost.exe. Other services might run in the same process. If Secondary Logon fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the seclogon service has failed to start.
Restore Default Startup Type of Secondary Logon
Automated Restore
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreSecondaryLogonWindows10.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 seclogon.dll file exists in the %windir%\system32 folder. If this file is missing you can try to restore it from your Windows 10 installation media.