Ambiguous Controller Names With Areas

Note: This describes the behavior of ASP.NET MVC 2 as of the release candidate. It's possible things might change for the RTM. When using areas in ASP.NET MVC 2, a common problem you might encounter is this exception message. The controller name 'Home' is ambiguous between the following types: AreasDemoWeb.Controllers.HomeController AreasDemoWeb.Areas.Blogs.Controllers.HomeController This message is telling you that the controller factory found two types that match the route data for the current request. Typically this happens when you have a controller of the same name in an area and in the main project. For example, in the screenshot below, notice that we have a HomeController in the main Controllers folder as well as in the Blogs...(read more) ...