Check out this article for a good walkthrough http://blogs.msdn.com/gzunino/archive/2007/09/17/hosting-a-wcf-service-in-windows-sharepoint-services-v3-0.aspx Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window You Might Also Like A fantastic set of articles on creating a Silverlight web part for WSS and SharePoint March 20, 2009 Prevent ASP.NET web.config inheritance, and inheritInChildApplications attribute November 17, 2011 DateTime.ToString() Patterns October 7, 2010