http://blogs.msdn.com/crm/archive/2009/07/02/new-silverlight-2-sample-on-code-gallery.aspxI recently did an investigation into using Silverlight 2 with Microsoft CRM 4.0. I have posted the resulting project and supporting documentation on Code Gallery. See Microsoft Dynamics CRM 4.0 On Premise Silverlight 2 Bar Chart Sample . Unlike many codeen-USCommunityServer 2.1 SP1 (Build: 61025.2)