IIS 404 Custom Error not working as expected

Question

I\'m working on IIS6, ASP.NET, VS2008. The web site uses a custom error handler to catch 404 errors and serve an alternate page. When presented with an url of the form:

Answer 1

You might wanna try this:

In IIS6:

• open "properties" for your website
• go to "home directory" tab
• click on "configuration"
• look for the extension ".aspx"
• click on "edit"
• check the checkbox which says "verify that file exists"

edit

And what about this: http://msdn.microsoft.com/en-us/library/h0hfz6fc(VS.80).aspx

Since 'RemoteOnly' specifies that custom errors are shown only to the remote clients, and that ASP.NET errors are shown to the local host.