Framework .NET 3.5 Sp1 required for targeting frameworks 2.0, 3.0 or 3.5 (multi-targeting) using Visual Studio 2010
We have had some customers ask why they are unable to target earlier frameworks .NET 2.0, 3.0 or 3.5 using Visual Studio 2010. Targeting earlier frameworks (also known as Multi-targeting) is in-fact fully supported in VS 2010, but there is a pre-requisite that .NET Framework 3.5 Sp1 must be installed on the machine for VS 2010 to be able to target ...