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Background Intelligent Transfer Service

 

General Information

This service is used to transfer asynchronous data via HTTP 1.1 servers. BITS “continues” a download when you log back in after you log off or shutdown the system during a download. You may require this service for some, Windows Live Messenger, Windows Media Player or future .NET or Live functions.

Windows 8

Default Description

Transfers files in the background using idle network bandwidth. If the service is disabled, then any applications that depend on BITS, such as Windows Update or MSN Explorer, will be unable to automatically download programs and other information.

Additional Information

This service is used to transfer asynchronous data via HTTP 1.1 servers. BITS “continues” a download when you log back in after you log off or shutdown the system during a download. You may require this service for some, Windows Live Messenger, Windows Media Player or future .NET or Live functions.

Automatic Update still requires Windows Update, Cryptographic Services, Background Intelligent Transfer Service, and Windows Event Log to be running. Place all four in automatic if you do not wish to update manually. In addition, I recommend that you change the default time of 3 AM, for the automatic checking of updates, to a time when the system is “normally” on. Otherwise, Windows Update will check upon boot which may slow down the boot process.

Default Startup Type

OS SP0
Windows 8 x86 Manual (Stopped at boot, Started when needed)
Windows 8 x64 Manual (Stopped at boot, Started when needed)
Windows 8 Pro x86 Manual (Stopped at boot, Started when needed)
Windows 8 Pro x64 Manual (Stopped at boot, Started when needed)
Windows 8 Enterprise x86 Manual (Stopped at boot, Started when needed)
Windows 8 Enterprise x64 Manual (Stopped at boot, Started when needed)

Service Names

Service Name (registry): BITS
Display Name: Background Intelligent Transfer Service

Default Path and Command Line Options

C:\Windows\system32\svchost.exe -k netsvcs

Log On As

Account: Local System account

Dependencies

Note: No dependencies are listed for any service in the WDP build I used to draft this information.

Windows 7

Default Description

Transfers files in the background using idle network bandwidth. If the service is disabled, then any applications that depend on BITS, such as Windows Update or MSN Explorer, will be unable to automatically download programs and other information.

Additional Information

This service is used to transfer asynchronous data via HTTP 1.1 servers. BITS “continues” a download when you log back in after you log off or shutdown the system during a download. You may require this service for some, Windows Live Messenger, Windows Media Player or future .NET or Live functions.

Automatic Update still requires Windows Update, Cryptographic Services, Background Intelligent Transfer Service, and Windows Event Log to be running. Place all four in automatic if you do not wish to update manually. In addition, I recommend that you change the default time of 3 AM, for the automatic checking of updates, to a time when the system is “normally” on. Otherwise, Windows Update will check upon boot which may slow down the boot process.

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): BITS
Display Name: Background Intelligent Transfer Service

Default Path and Command Line Options

C:\Windows\System32\svchost.exe -k netsvcs

Log On As

Account: Local System account

Dependencies

What service Background Intelligent Transfer Service needs to function properly:

What other service require Background Intelligent Transfer Service to function properly:

  • None (S, HB, HP, P, U, E)

Windows Vista

Default Description

Transfers files in the background using idle network bandwidth. If the service is disabled, then any applications that depend on BITS, such as Windows Update or MSN Explorer, will be unable to automatically download programs and other information.

Additional Information

This service is used to transfer asynchronous data via HTTP 1.1 servers. BITS “continues” a download when you log back in after you log off or shutdown the system during a download. You may require this service for some, Windows Live Messenger, Windows Media Player or future .NET or Live functions.

Automatic Update still requires Windows Update, Cryptographic Services, Background Intelligent Transfer Service, and Windows Event Log to be running. Place all four in automatic if you do not wish to update manually. In addition, I recommend that you change the default time of 3 AM, for the automatic checking of updates, to a time when the system is “normally” on. Otherwise, Windows Update will check upon boot which may slow down the boot process.

With Windows Vista Retail, this service incorrectly listed Remote Procedure Call (RPC) needing BITS as a dependency. This has been corrected with Service Pack 1.

Default Startup Type

OS SP0 SP1 SP2
Vista Home Basic Automatic (Delayed Start) Automatic (Delayed Start) Automatic (Delayed Start)
Vista Home Premium Automatic (Delayed Start) Automatic (Delayed Start) Automatic (Delayed Start)
Vista Business Automatic (Delayed Start) Automatic (Delayed Start) Automatic (Delayed Start)
Vista Ultimate Automatic (Delayed Start) Automatic (Delayed Start) Automatic (Delayed Start)
Vista Enterprise Automatic (Delayed Start) Automatic (Delayed Start) Automatic (Delayed Start)

Service Names

Service Name (registry): BITS
Display Name: Background Intelligent Transfer Service

Default Path and Command Line Options

C:\Windows\System32\svchost.exe -k netsvcs

Log On As

Account: Local System Account

Dependencies

What service Background Intelligent Transfer Service needs to function properly:

What other service require Background Intelligent Transfer Service to function properly:

  • None (HB, HP, B, U)

Windows XP Pro x64

Default Description

Transfers files in the background using idle network bandwidth. If the service is stopped, features such as Windows Update, and MSN Explorer will be unable to automatically download programs and other information. If this service is disabled, any services that explicitly depend on it may fail to transfer files if they do not have a fail safe mechanism to transfer files directly through IE in case BITS has been disabled.

Additional Information

This service is used to transfer asynchronous data via http1.1 servers. According to Microsoft’s site, Windows Update uses this “feature.” It “continues” a download if you log off or shutdown the system (that is, when you log back in). You may require this service for some MSN Explorer, Windows Messenger, Windows Media Player or future .NET functions.

It is very important that if you decide to disable this service, you check the Windows Update Version 6 web site often to ensure the latest patches install properly.

Take note: Manual updates via Windows Update Version 6 web site still requires Automatic Updates, Background Intelligent Transfer Service, COM+ Event System, Cryptographic Services, and Event Log to be running. Place all in automatic if you do not wish to update manually. In addition, I recommend that you change the default time of 3AM, for the automatic checking of updates, to a time when the system is “normally” on. Otherwise, Windows Update will check upon boot which may slow down the boot process.

Default Startup Type

OS SP0 SP1 SP2
XP Pro x64 ? ? Manual

Service Names

Service Name (registry): BITS
Display Name: Background Intelligent Transfer Service

Default Path and Command Line Options

C:\WINDOWS\system32\svchost.exe -k netsvcs

Log On As

Account: Local System Account

Dependencies

What service Background Intelligent Transfer Service needs to function properly:

What other service require Background Intelligent Transfer Service to function properly:

  • None

Windows XP

Default Description

Transfers files in the background using idle network bandwidth. If the service is stopped, features such as Windows Update, and MSN Explorer will be unable to automatically download programs and other information. If this service is disabled, any services that explicitly depend on it may fail to transfer files if they do not have a fail safe mechanism to transfer files directly through IE in case BITS has been disabled.

Additional Information

This service is used to transfer asynchronous data via http1.1 servers. According to Microsoft’s site, Windows Update uses this “feature.” It “continues” a download if you log off or shutdown the system (that is, when you log back in). You may require this service for some MSN Explorer, Windows Messenger, Windows Media Player or future .NET functions.

It is very important that if you decide to disable this service, you check the Windows Update Version 6 web site often to ensure the latest patches install properly.

Take note: Manual updates via Windows Update Version 6 web site still requires Automatic Updates, Background Intelligent Transfer Service, COM+ Event System, Cryptographic Services, and Event Log to be running. Place all in automatic if you do not wish to update manually. In addition, I recommend that you change the default time of 3AM, for the automatic checking of updates, to a time when the system is “normally” on. Otherwise, Windows Update will check upon boot which may slow down the boot process.

Default Startup Type

OS SP0 SP1 SP2 SP3
XP Home Manual Manual Manual Manual
XP MCE 2005 Manual Manual Manual Manual
XP Pro Manual Manual Manual Manual
XP Tablet PC 2005 Manual Manual Manual Manual

Service Names

Service Name (registry): BITS
Display Name: Background Intelligent Transfer Service

Default Path and Command Line Options

C:\WINDOWS\system32\svchost.exe -k netsvcs

Log On As

Account: Local System Account

Dependencies

What service Background Intelligent Transfer Service needs to function properly:

What other service require Background Intelligent Transfer Service to function properly:

  • None (H, M, P, T)

Additional Reading

Windows Update Web Site: http://update.microsoft.com/windowsupdate/v6/default.aspx