batcmd.com Windows 10 Services

Application Layer Gateway Service - Windows 10 Service

Provides support for 3rd party protocol plug-ins for Internet Connection Sharing.

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

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:
  • SeChangeNotifyPrivilege
  • SeCreateGlobalPrivilege
  • SeImpersonatePrivilege

Default Behavior

The Application Layer Gateway Service is running as NT AUTHORITY\LocalService in its own process of alg.exe. It doesn't share its process with other services. If Application Layer Gateway Service fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the ALG service has failed to start.

Restore Default Startup Type for Application Layer Gateway Service

Automated Restore

1. Select your Windows 10 edition and release, and then click on the Download button below.

2. Save the RestoreApplicationLayerGatewayServiceWindows10.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 10 installation media.