Application Layer Gateway Service
General Information
If you are not using Internet Connection Sharing (ICS) service, the <strong >Application Layer Gateway Serviceand Internet Connection Sharing (ICS) can be safely disabled.
Windows 8
Default Description
Provides support for 3rd party protocol plug-ins for Internet Connection Sharing.
Additional Information
None at this time.
Default Startup Type
| OS | SP0 |
|---|---|
| Windows 8 x86 | Manual |
| Windows 8 x64 | Manual |
| Windows 8 Pro x86 | Manual |
| Windows 8 Pro x64 | Manual |
| Windows 8 Enterprise x86 | Manual |
| Windows 8 Enterprise 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: Local Service
Dependencies
What service Application Layer Gateway Service needs to function properly:
- None (W8, W8P, W8E)
What other service require Application Layer Gateway Service to function properly:
- None (W8, W8P, W8E)
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 | SP1 |
|---|---|---|
| Windows 7 Starter | Manual | Manual |
| Windows 7 Home Basic | Manual | Manual |
| Windows 7 Home Premium | Manual | Manual |
| Windows 7 Professional | Manual | Manual |
| Windows 7 Ultimate | Manual | Manual |
| Windows 7 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 (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)
Additional Reading
ICS: http://en.wikipedia.org/wiki/Internet_Connection_Sharing