Exceptions are technology specific and therefore not suitable to cross the service boundary of SOA compliant services. Another anomaly we identified is that all exceptions , with the exception of FaultException fault the communication channel , resulting in unhappy proxies as a recover and retry is not possible. What we need are soap faults that are an industry standard for seamless interoperability … WCF, and there is more … delivers the answer to Soap Faults as FaultException , which...