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1. Open Control Panel, then Administrative Tools and open Internet Information Services.
2. Add the ISAPI Filter to IIS
   1. Right-click on Default Web Site (or the Web Site that should be responsible for proxying requests to frevvo), and click on Properties.
   2. Click the ISAPI Filters tab.
   3. Click Add and create one. Enter jakarta as the Filter Name and enter the location of the isapi_redirect.dll file for the executable.
   4. Click OK, Apply and then OK.

• Create a virtual directory for frevvo in IIS. 
  1. Right-click on Default Web Site (or the Web Site that should be responsible for proxying requests to frevvo), choose New and then Virtual Directory.
  2. Go through the creation wizard. Set the alias to be the same as the context path configured in c:\isapi\bin\isapi_redirect.properties. If you kept the defaults in the section Download and Configure an ISAPI Filter you would enter jakarta.

• Enter the path to the directory that contains the isapi_redirect.dll

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The ISAPI filter is installed and configured. You can check the status of the filter: right click on Default Web Site and select the tab ISAPI Filters. The ISAPI filter should be listed with a green arrow pointing upwards as shown below:

[[Image:IIS6ISAPIStatus.png]]

IIS 7 Configurations

It is necessary to have the role Web Server  ISAPI Extensions and ISAPI Filters configured in IIS. If this is a new installation of IIS:

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