As you know, it\'s recomended handle exceptions using FaultException with standard WCF service to hide exception details. That\'s fine but i\'m having problem with WCF Ria servi
I've read about using WCF faults in Silverlight, but haven't yet tried it with WCF RIA.
http://mark.mymonster.nl/2011/02/10/make-use-of-wcf-faultcontracts-in-silverlight-clients/