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I need to return a fault of specific type from a WCF service so that the client can catch FaultException<MyClass>. In order to do this, as far as I know, only way out is to apply the FaultContract(typeof(MyClass)) at the operation level. Is there any other way to do this at a global level? One place where I can add this contract to all operations in all services?

Badrinarayanan Lakshmiraghavan
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  • You can vote for adding this feature: https://connect.microsoft.com/VisualStudio/feedback/details/343148/allow-faultcontractattribute-to-be-specified-on-a-servicecontract-interface – Joe May 05 '14 at 05:33
  • Possible duplicate of [WCF: Same Faultcontract on many methods](http://stackoverflow.com/questions/1392556/wcf-same-faultcontract-on-many-methods) Funny fact: Both has wrong marked answer :-) – Kobor42 Jan 24 '17 at 18:14

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Unfortunately you need to add it at every operation, however you can use tools like PostSharp that will re-write your code on compile so you could create an attribute that you put on a contract and have PostSharp add the correct FaultContract attribute on each OperationContract.

Scott Chamberlain
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Yea...I wish we can just globally define the default FaultException for the service level, then override for specific messages. I'm on a WSDL first project and the WCF WSDLs come out looking FUGLY!

Cyberpass
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