Go to Common Tasks page.
The Common Tasks page is the home page when you access the administration console. Fore information on accessing the administration console, refer to the Administrator's Guide.
Select the Configuration.
From the Configuration Tasks page, select the configuration from the drop down box.
Copy Virtual Servers.
Select the virtual server from the list and click Copy button. A window will pop up. Provide the new virtual server name and click OK. The web applications also gets copied.