submit to another aspx page sends me to asp page?

Hi,

 I inherited the maintenance of a company intranet .net 1.1.4 website.

 I converted the website to .NET 2.0 using VS2005 and fixed all the errors and warnings.

 The login page loads fine. When I enter the username and password and press submit it takes me to the login.asp page which does not exist.
The login.aspx page has the following tag:

<form id="Form1" name="login" action="login.asp" method=" ...