How to Web Deploy a web application targeting Entity Framework 4.2 June 2011 CTP
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I'm using Entity Framework 4.2 June 2011 CTP in a small web application (ASP.NET MVC 3) because it supports enums.

I tried to deploy it using web deploy and I get the following error :

The application pool that you are trying to use has the 'managedRuntimeVersion' property set to 'v4.0'. This application requires 'v4.2'.

How to create an application pool running on .NET 4.2 ?

Edit: The web application does work with a 4.0 app pool so the real question is how to disable the app pool runtime version check when using Visual Studio Publish option ?

Telepathy answered 9/9, 2011 at 16:59 Comment(0)
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I found the solution here: http://connect.microsoft.com/VisualStudio/feedback/details/526963/unable-to-correctly-set-managedruntimeversion-in-msdeploy-package

Add this to the web .csproj file in the initial <PropertyGroup> section:

<IgnoreDeployManagedRuntimeVersion>True</IgnoreDeployManagedRuntimeVersion>
Telepathy answered 9/9, 2011 at 19:44 Comment(0)
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There is no .Net framework 4.2 out there, i would imagine the .net 4 sp1 is missing or you are not including all needed references. try installing sp1 on the server.

Tanishatanitansy answered 9/9, 2011 at 17:20 Comment(2)
see this: blogs.msdn.com/b/adonet/archive/2011/06/30/…Telepathy
wow it looks like they made another version of the .NET Framework then. A bit risky to use a CTP in a prod environment. If you have full control of the web server then you should install this CTP there are well and I guess you will be able to create an application pool which runs in this runtime framework. I would not do it anyway.Tanishatanitansy

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