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WCF user behavior error. The "silverlightFaults" extension is already appearing in the extension collection. Extension names must be unique

WCF user behavior error: extension "silverlightFaults" is already displayed in extension

collection. Extension names must be unique.

I have custom Extension behavior for a silverlight project that helps in transferring faultcontract

messages to the client. This error occurs when a service is called. Works well in Dev and QA blocks, but

not on a PROD test server. Any ideas on where to start and how to debug?

Platform: .NET 3.5, Silverlight, WCF, Win2003 x64

Any help is appreciated.

web.config section:

<extensions>
    <behaviorExtensions>
        <add name="silverlightFaults"
            type="Mrr.Srsa.Services.SilverlightFaultBehavior, Mrr.Srsa.Services, Version=1.0.0.0, 

Culture=neutral, PublicKeyToken=9e9f5a95ab06f177"/>
    </behaviorExtensions>
</extensions>
<behaviors>   
    <endpointBehaviors>
        <behavior name="SilverlightFaultBehavior">
            <silverlightFaults />
        </behavior>
    </endpointBehaviors>
</behaviors>
+3
1

, Exception : - (web.config /machine.config ..) silverlightFaults. < clear/ > <behaviorExtensions> < name= "silverlightFault"... / >

- larsw

+1

Source: https://habr.com/ru/post/1768316/

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