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Windows Process Activation Service

 

General Information

None at this time.

Windows 8

Default Description

The Windows Process Activation Service (WAS) provides process activation, resource management and health management services for message-activated applications.

Additional Information

This service is not installed by default and should not be installed on a “home” system. You can add or remove this service by heading to:

  1. Head to Start
  2. Select Control Panel
  3. Select Programs
  4. Select Programs and Features
  5. Select Turn Windows Features on or off

Default Startup Type

OS SP0
Windows 8 x86 Not Installed (Manual, Started)
Windows 8 x64 Not Installed (Manual, Started)
Windows 8 Pro x86 Not Installed (Manual, Started)
Windows 8 Pro x64 Not Installed (Manual, Started)
Windows 8 Enterprise x86 Not Installed (Manual, Started)
Windows 8 Enterprise x64 Not Installed (Manual, Started)

Service Names

Service Name (registry): WAS
Display Name: Windows Process Activation Service

Default Path and Command Line Options

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

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

The Windows Process Activation Service (WAS) provides process activation, resource management and health management services for message-activated applications.

Additional Information

This service is not installed by default. You can add or remove this service by heading to:

  1. Head to Start
  2. Select Control Panel
  3. Select Programs
  4. Select Programs and Features
  5. Select Turn Windows Features on or off

Default Startup Type

OS SP0 SP1
Windows 7 Starter Not Installed (Manual, Started) Not Installed (Manual, Started)
Windows 7 Home Basic Not Installed (Manual, Started) Not Installed (Manual, Started)
Windows 7 Home Premium Not Installed (Manual, Started) Not Installed (Manual, Started)
Windows 7 Professional Not Installed (Manual, Started) Not Installed (Manual, Started)
Windows 7 Ultimate Not Installed (Manual, Started) Not Installed (Manual, Started)
Windows 7 Enterprise Not Installed (Manual, Started) Not Installed (Manual, Started)

Service Names

Service Name (registry): WAS
Display Name: Windows Process Activation Service

Default Path and Command Line Options

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

Log On As

Account: Local System account

Dependencies

What service Windows Process Activation Service needs to function properly:

What other service require Windows Process Activation Service to function properly:

Windows Vista

Default Description

The Windows Process Activation Service (WAS) provides process activation, resource management and health management services for message-activated applications.

Additional Information

Not installed by default, but this service is installed if World Wide Web Publishing Service is selected to be installed.

Default Startup Type

OS SP0 SP1 SP2
Vista Home Basic Not Installed (Manual, Started) Not Installed (Manual, Started) Not Installed (Manual, Started)
Vista Home Premium Not Installed (Manual, Started) Not Installed (Manual, Started) Not Installed (Manual, Started)
Vista Business Not Installed (Manual, Started) Not Installed (Manual, Started) Not Installed (Manual, Started)
Vista Ultimate Not Installed (Manual, Started) Not Installed (Manual, Started) Not Installed (Manual, Started)
Vista Enterprise Not Installed (Manual, Started) Not Installed (Manual, Started) Not Installed (Manual, Started)

Service Names

Service Name (registry): WAS

Display Name: Windows Process Activation Service

Default Path and Command Line Options

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

Log On As

Account: Local System Account

Dependencies

What service Windows Process Activation Service needs to function properly:

What other service require Windows Process Activation Service to function properly:

Additional Reading

None at this time.