IIS settings page announcement

1. Disable IIS original site
2. IIS add in a new site, and the domain name and port of the original site consistent
3. Add announcement prompted the page, such as: index.html
4. New web.config file and set the web.config
5. 

   1   <system.web>
   2     <compilation debug="true" targetFramework="4.0"/>
   3    <customErrors mode="On" defaultRedirect="/index.html">
   4    </customErrors>
   5   </system.web>

   View Code
6. IIS> New Site> Error page> 404 status settings: response actions
   1. Choose to perform URL on this site
   2. Set the URL (relative to site root), such as: /index.html