http://sqlblog.com/blogs/stream_insight/archive/2012/03/20/linqpad-for-streaminsight-2-0.aspxThis has come up several times in the wake of our 2.0 release: The new LINQPad driver supporting StreamInsight 2.0 is now live! You can download it as usual through the LINQPad UI: There are separate versions of the driver only because assembly referencesenCommunityServer 2.1 SP2 (Build: 61129.1)