.NET 2.0 has not been supported since Q1 2011: http://blogs.telerik.com/aspnet-ajax/posts/11-03-03/telerik-ajax-controls-net-2-0-support-discontinued-as-of-q1-2011.aspx.
This means that we do not provide assemblies built against .NET 2.0 or support for it.
The last version that has such assemblies is Q3 2014 SP2.
If your company has a license for this version, you should be able to download it from your account when you are added as a licensed developer to that account. If you have further questions on the licensing, you can reach out to sales<at>telerik.com.
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