1. Install a recent build of the ASP.NET Fall 2012 Update on a machine with a preview build of Visual Studio 2012 Update 1 installed.
2. Open Visual Studio and attempt to create a C# Razor V2 website.
   

Result: You'll get the following error when the website is being created. (Original Czech text first, then English translation.) Other packages appear to install correctly.

Microsoft Visual Studio

Chyba instalace balíčku

Do projektu se nepodařilo přidat všechny požadované balíčky. Následující balíčky se ze C:\Program Files (x86)\Microsoft ASP.NET\ASP.NET Web Pages\v2.0\Packages nepodařilo nainstalovat:

Microsoft.AspNet.Razor.2.0.20710.0 : Nelze nalézt verzi 2.0.20710.0 balíčku Microsoft.AspNet.Razor.

NuGet.Core.1.6.2 : Nelze nalézt verzi 1.6.2 balíčku NuGet.Core.

Microsoft.AspNet.WebPages.Administration.2.0.20710.0 : Nelze nalézt verzi 2.0.20710.0 balíčku Microsoft.AspNet.WebPages.Administration.

OK

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Microsoft Visual Studio

Error installing package

The project failed to add all of the required packages. The following packages are from C:\Program Files (x 86) \Microsoft ASP.NET ASP.NET Web \ Pages\v2.0\Packages failed to install:

Microsoft. AspNet. Razor. 2.0.20710.0: cannot find the version of the 2.0.20710.0 package Microsoft.AspNet.Razor.

Mesh. Core 1.6.2: can't find version 1.6.2 Mesh package. Core.

Microsoft. In AspNet.. Administration. 2.0.20710.0: cannot find the version of the 2.0.20710.0 package Microsoft. In AspNet.. Administration.

OK