IIS: Choose the .NET Framework Version for Application Pool

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Okay, with the upcoming Microsoft.NET Framework 4.0 (currently in Beta2 Stage), IIS Application Pool can be run under either Framework Version 2.0 or Framework Version 4.0. Logo_IIS7

If you should receive this error Message, just go switching the .NET Framework Version for the affected Application Pool under IIS.

Error: The application pool that you are trying to use has the ‘managedRuntimeVersion’ property set to ‘v2.0’. This application requires ‘v4.0’.
Error count: 1.

Open IIS

Navigate to the affected Server, Select Application Pools. Now double-click the DefaultAppPool and choose .NET Freamework v4.0.21006 (Beta2 atm)

Screenshot

IIS_ApplicationPool_Framework_4.0

you’re done!

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