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434

answers:

2

Now that ASP.NET MVC 2 is out, I tried to install it on my development machine, which already has Visual Studio 2010 RC installed and I got this error message during installation

Component Microsoft ASP.NET MVC 2 has failed to install with the following error message: "A different version of ASP.NET MVC 2 is already installed on your system. Please uninstall this version before proceeding with this install."

Sure enough, the MVC 2 release notes state:

Note Because Visual Studio 2008 and Visual Studio 2010 RC share a component of ASP.NET MVC 2, installing the ASP.NET MVC 2 RTM release on a computer where Visual Studio 2010 RC is also installed is not supported.

So my question is, though officially unsupported, if I uninstall VS 2010 RC, install MVC 2 then re-install VS 2010 RC, might this work? And would I then be able to target MVC 2 in VS2010?

+2  A: 

See http://haacked.com/archive/2010/02/10/installing-asp-net-mvc-2-rc-2-on-visual-studio.aspx. This is unsupported, but the same general steps should work.

Levi
+1  A: 

have a look here

Yassir