http://msmvps.com/blogs/williamryan/archive/2008/07/07/wcf-to-the-rescue.aspxAlthough part of the idea below was mine, James Ashley was crucial to helping me figure this out. Problem: Without getting into the ghoury details, we have an application that allows users to send messages to large groups of people. Anyone using a clientenCommunityServer 2008.5 SP2 (Build: 40407.4157)