Add the ISAPI Extension to the Exchweb Web Site

The Microsoft Exchweb web site on your IIS web server needs the SiteMinder ISAPI extension to operate with Microsoft Outlook Web Access.

To add the ISAPI extension to the Exchweb web site

Open the Internet Information Services (IIS) Manager, and then expand the Web Sites folder.
A list of web sites appears.
Right-click the Exchweb folder, and then select Properties.
The Exchweb Properties dialog appears.
Click the Virtual Directory tab, and then verify the following settings:
- Local path: path_to_the exchweb_folder
- Application Name: Exchweb
- Execute Permissions: Scripts and Executables
Click Configuration.
The Application Configuration dialog appears.
Click Insert.
The Add/Edit Extension Mapping dialog appears.
Click Browse, and then navigate to the following file:
```
C:\Program Files\CA\webagent\bin\ISAPI6WebAgent.dll
```
Click Open.
The path appears in the Add/Edit Extension mapping dialog.
Clear the Verify that file exists check box.
Click OK.
The Add/Edit Extension mapping dialog closes. The DLL file appears in the Wildcard Application Maps (order of implementation) list.
Click OK.
The Application Configuration dialog closes.
Click OK.
The Exchweb Properties dialog closes. The ISAPI extension is added to the Exchweb web site.