8. Next you need to make sure that IIS is configured to use a sensible default document; the document
that is served when you request a folder name or the root of the site. The Planet Wrox site
uses Default.aspx, which is the most common default document name for ASP.NET websites. To
check this, make sure Default Web Site is the selected option in the tree on the left. Then doubleclick
the Default Document option in the IIS Features list (below the items you see in Figure 19-7).
Make sure that Default.aspx is present and at the beginning of the list. If the item is not there,
add it manually. To do this, click the Add link in the Actions panel to add it. Then use the Move
Up links to move it to the top of the list. Click Yes when you see the warning about inheriting
changes. Your dialog box should look similar to Figure 19-10.