Carlos:
no te canses - escribi a la lista que 4 ojos ven siempre mas que 2.
te adjunto algunos links con soluciones a problemas similares al
tuyo a ver si te sirven.
Atte
AP
Porting, Migrating, and Upgrading Visual Studio Projects
https://msdn.microsoft.com/en-us/library/hh266747.aspx
asp.net mvc - How do I open an old MVC project in Visual Studio 2012 or Visual
Studio 2013? - Stack Overflow
http://stackoverflow.com/questions/13424079/how-do-i-open-an-old-mvc-project-in-visual-studio-2012-or-visual-studio-2013
Visual Studio 2012 doesn't convert vs2010 solution? - Stack Overflow
http://stackoverflow.com/questions/12095339/visual-studio-2012-doesnt-convert-vs2010-solution
