IIS7 can support pages without extensions without administrator configuration settings. IIS6 can also support  URLs without extensions, but it requires an administrator setting. Here's a tip on how to configure IIS6 to support URLs without extensions.

On the website properties, The configuration tab must be selected.

A wildcard application map must be added. Select the INSERT option and add the following file, and turn off the checkbox to verify the file exists.

File: C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\aspnet_isapi.dll

The new setting should now be in place.

This should now allow URL rewriting on URL's like: http://e3retail.com/page/products/.