Another helpful link for your WCF errors :D http://blogs.msdn.com/amitlale/archive/2007/01/29/addressaccessdeniedexception-cause-and-solution.aspx Tags: WCF

Sometimes IIS 7 drive me crazy :D If you receive an 404.3 error by yours wcf application look the following link: http://blogs.msdn.com/davidwaddleton/archive/2007/11/02/wcf-and-404-3-errors.aspx Tags: WCF, IIS