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Start or Stop an Application Pool (IIS 7)

Applies To: Windows 7, Windows Server 2008, Windows Server 2008 R2, Windows Vista

Stopping an application pool causes the Windows Process Activation Service (WAS) to shut down all running worker processes serving that application pool. WAS does not restart these worker processes. An administrator must restart all stopped application pools. All applications routed to a stopped application pool receive 503 Service Unavailable errors.

For information about the levels at which you can perform this procedure, and the modules, handlers, and permissions that are required to perform this procedure, see Application Pools Feature Requirements (IIS 7).

Exceptions to Feature Requirements

  • None

You can perform this procedure by using the user interface (UI), by running Appcmd.exe commands in a command-line window, by editing configuration files directly, or by writing WMI scripts.

  1. Open IIS Manager. For information about opening IIS Manager, see Open IIS Manager (IIS 7).

  2. In the Connections pane, expand the server node and click Application Pools.

  3. On the Application Pools page, select the application pool you want to start or stop.

  4. In the Actions pane, use one of the following procedures:

    • Click Start to start the application pool.

    • Click Stop to stop the application pool.

To start an application pool, use the following syntax:

appcmd start apppool /apppool.name: string

The variable string is the name of the application pool that you want to start. For example, to start an application pool named Marketing, type the following at the command prompt, and then press ENTER:

appcmd start apppool /apppool.name: Marketing

To stop an application pool, use the following syntax:

appcmd stop apppool /apppool.name: string

The variable string is the name of the application pool that you want to stop. For example, to stop an application pool named Marketing, type the following at the command prompt, and then press ENTER:

appcmd stop apppool /apppool.name: Marketing

For more information about Appcmd.exe, see Appcmd.exe (IIS 7).

The procedure in this topic affects the following configuration elements:

  • None.

For more information about IIS 7 configuration, see IIS 7.0: IIS Settings Schema on MSDN.

Use the following WMI classes, methods, or properties to perform this procedure:

  • ApplicationPool.Start method

  • ApplicationPool.Stop method

For more information about WMI and IIS, see Windows Management Instrumentation (WMI) in IIS 7. For more information about the classes, methods, or properties associated with this procedure, see the IIS WMI Provider Reference on the MSDN site.

See Also

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