Remove an ISAPI Filter (IIS 7)

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

Remove an ISAPI filter when you no longer need the functionality that the filter provides. For example, if you have a module that performs the same functionality as one of your ISAPI filters, you might decide to remove the filter from the Web server.


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 ISAPI Filters Feature Requirements (IIS 7).

Exceptions to feature requirements

  • None

To remove an ISAPI Filter

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.

User Interface

To use the UI

  1. Open IIS Manager and navigate to the level you want to manage. For information about opening IIS Manager, see Open IIS Manager (IIS 7). For information about navigating to locations in the UI, see Navigation in IIS Manager (IIS 7).

  2. In Features View, on the server or siteHome page, double-click ISAPI Filters.

  3. On the ISAPI Filters page, select the ISAPI filter that you want to remove.

  4. In the Actions pane, click Remove and then click Yes.


You can only remove ISAPI filters with an Entry Type of Local.

Command Line

To remove an ISAPI filter, use the following syntax:

appcmd set config /section:isapiFilters /-[name='string']

The variable namestring is the name of the ISAPI filter that you want to remove. For example, to remove an ISAPI filter named ResponseFilter, type the following at the command prompt, and then press ENTER:

appcmd set config /section:isapiFilters /-[name='ResponseFilter']

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


The procedure in this topic affects the following configuration elements:


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


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

  • IsapiFiltersSection.Remove 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


Configuring ISAPI Filters in IIS 7