General Information
If you are not using Internet Connection Sharing (ICS) service, the Application Layer Gateway Service and Internet Connection Sharing (ICS) can be safely disabled.
Windows 7
Default Description
Provides support for 3rd party protocol plug-ins for Internet Connection Sharing (ICS).
Additional Information
None at this time.
Default Startup Type
OS SP0
Windows 7 Starter Manual
Windows 7 Home Basic Manual
Windows 7 Home Premium Manual
Windows 7 Professional Manual
Windows 7 Ultimate Manual
Windows 7 Enterprise Manual
Service Names
Service Name (registry): ALG
Display Name: Application Layer Gateway Service
Default Path and Command Line Options
C:\Windows\System32\alg.exe
Log On As
Account: Local Service
Dependencies
What service Application Layer Gateway Service needs to function properly:
* None (S, HB, HP, P, U, E)
What other service require Application Layer Gateway Service to function properly:
* None (S, HB, HP, P, U, E)
Windows Vista
Default Description
Provides support for 3rd party protocol plug-ins for Internet Connection Sharing (ICS).
Additional Information
None at this time.
Default Startup Type
OS SP0 SP1 SP2
Vista Home Basic Manual Manual Manual
Vista Home Premium Manual Manual Manual
Vista Business Manual Manual Manual
Vista Ultimate Manual Manual Manual
Vista Enterprise ? Manual Manual
Service Names
Service Name (registry): ALG
Display Name: Application Layer Gateway Service
Default Path and Command Line Options
C:\Windows\System32\alg.exe
Log On As
Account: Local Service
Dependencies
What service Application Layer Gateway Service needs to function properly:
* None (HB, HP, B, U)
What other service require Application Layer Gateway Service to function properly:
* None (HB, HP, B, U)
Windows XP Pro x64
Default Description
Provides support for 3rd party protocol plug-ins for Internet Connection Sharing and the Windows Firewall.
Additional Information
Before the installation of Service Pack 2, this service was required for use with the Windows Firewall/Internet Connection Sharing (ICS) service. After the installation of Service Pack 2, it no longer is required.
Default Startup Type
OS SP0 SP1 SP2
XP Pro x64 ? ? Manual
Service Names
Service Name (registry): ALG
Display Name: Application Layer Gateway Service
Default Path and Command Line Options
C:\WINDOWS\System32\alg.exe
Log On As
Account: NT AUTHORITY\LocalService
Dependencies
What service Application Layer Gateway Service needs to function properly:
* None
What other service require Application Layer Gateway Service to function properly:
* None
Windows XP
Default Description
Provides support for 3rd party protocol plug-ins for Internet Connection Sharing and the Windows Firewall.
Additional Information
Before the installation of Service Pack 2 or 3, this service was required for use with the Windows Firewall/Internet Connection Sharing (ICS) service. After the installation of Service Pack 2 or 3, it no longer is required.
Default Startup Type
OS SP0 SP1 SP2 SP3
XP Home Manual (Started) Manual (Started) Manual (Started) Manual (Started)
XP MCE 2005 Manual (Started) Manual (Started) Manual (Started) Manual (Started)
XP Pro Manual (Started) Manual (Started) Manual (Started) Manual (Started)
XP Tablet
PC 2005 Manual (Started) Manual (Started) Manual (Started) Manual (Started)
Service Names
Service Name (registry): ALG
Display Name: Application Layer Gateway Service
Default Path and Command Line Options
C:\WINDOWS\System32\alg.exe
Log On As
Account: NT AUTHORITY\LocalService
Dependencies
What service Application Layer Gateway Service needs to function properly:
* None (H, M, P, T)
What other service require Application Layer Gateway Service to function properly:
* None (H, M, P, T)