1.Under the Websites & Domains tab, open Show 2.Advanced Operations.
3.Click Virtual Directories.
4.Click on Error Documents.
5.Click on the error code you want to configure.
6.Select URL and provide a physical URL to the error page (for example, http://www.heayo.net/404.html). A physical URL is a URL without a domain name such as Default.aspx or 404.aspx.
Click the OK button.