I have a new WIndows Server 2008 R2 x64 DataCentre with Framework 3.5 SP1 and Framework 4 installed. When I install my MVC application (VS 2008 MVC 2.0 using a Web Setup pro
You can use the Web Platform Installer to install ASP.NET MVC2 and register it in IIS.. It's probably one of the most simple ways to install extensions for your server. Just follow this link: http://go.microsoft.com/fwlink/?LinkID=185037
Just to be more detailed here.. If you have Platform Installer installed - when you click on the second link (and have platform installer closed), a window will pop up, with details about MVC2. It will have an Install button. Just click it, accept the terms and you're done :) Here's what this window looks like: http://lh5.ggpht.com/_uVsNX7rt1gI/S81ffYtSDBI/AAAAAAAAAIM/3raMs0bomNo/MVC2.PNG