Application Layer Gateway Service - Windows 7 Service
Provides support for 3rd party protocol plug-ins for Internet Connection Sharing.
This service also exists in Windows 10, 11, 8, Vista and XP.
Startup Type
| Windows 7 edition | without SP | SP1 |
|---|---|---|
| Starter | Manual | Manual |
| Home Basic | Manual | Manual |
| Home Premium | Manual | Manual |
| Professional | Manual | Manual |
| Ultimate | Manual | Manual |
| Enterprise | Manual | Manual |
Default Properties
| Display name: | Application Layer Gateway Service |
| Service name: | ALG |
| Type: | own |
| Path: | %WinDir%\System32\alg.exe |
| Error control: | normal |
| Object: | NT AUTHORITY\LocalService |
| Privileges: |
|
Default Behavior
The Application Layer Gateway Service runs as NT AUTHORITY\LocalService in its own process. It does not share the executable file with other services. If the Application Layer Gateway Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the ALG service has failed to start.
Restore Default Startup Type of Application Layer Gateway Service
Automated Restore
1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.
2. Save the RestoreApplicationLayerGatewayServiceWindows7.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 alg.exe file exists in the %WinDir%\System32 folder. If this file is missing you can try to restore it from your Windows 7 installation media.