Recently, I have created a new virtual machine since my old Windows XP image was getting little slow, so I decided to put all the latest stuff on it. I installed Windows Server 2008 RC2, Visual Studio 2010, SQL server 2008. Then I installed ASP.NET MVC3 (RC2) and try to run some of my "older code". This has become quite a task, first there were some classes totally missing... Finally I got everything working, but for some reason, I cannot hack the security settings, so post HTML to the server (either comments or HTML markup for my CMS) cannot pass through Request.From[]. There is not much online about this yet since this is a pretty new build. I have found this forum thread, talks about the issue, but none of the solutions worked for me quite yet.