Open the Internet Services Manager.
Select the web site for which you want to enable the plug-in.
This web site is typically named the Default Web Site.
Right click on the web site and select Properties to open the Properties notebook.
Add a new ISAPI filter, following these steps:
Create and configure a new virtual directory:
Right click on the default web site, select New, and then Virtual Directory.
The Virtual Directory Creation Wizard opens.
In the Alias field, type sun-passthrough .
In the Directory field, type C:\Inetpub\wwwroot\sun-passthrough.
Check the Execute Permission checkbox.
Leave all other permission-related check boxes are left unchecked.
Add the path of sun-passthrough.dll file and application_server_install_dir /bin to the system’s PATH environment variable.
Restart the machine.
Stop and start the web server for the new settings to take effect.
To stop the web server, right click on the web site and select Stop . To start the web server, right click on the web site and select Start.
Verify that the web server, load balancer plug-in, and Application Server are operating correctly.
Type the following in a web browser to access the web application context root: http://webserver_name/web_application, where webserver_name is the host name or IP address of the web server and web_application is the context root that you listed in the C:\Inetpub\wwwroot\sun-passthrough\sun-passthrough.properties file.