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Scenario
If you are installing SQL Server 2012 on a brand new Windows Server 2012 and your virtual machine is not connected to the internet, you might ran into the SQL Server requirement for .NET 3.5.
Although it is available in the Add Roles and Features Wizard, this is not the solution. The screenshots below will show you the result if you try to perform this action.
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Installation of SQL Server 2012 on Server 2012: NetFx3.5 is a Feature on Demand – http://heelpbook.altervista.org/?p=37008 – HeelpBook – Visit http://www.heelpbook.net OR http://mobile.heelpbook.net on your tablet! #howto @heelpbook #tutorial