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Hosting WCF Service with NetTcpRelayBinding in IIS: host closes when called

I'm having trouble hosting my WCF service with NetTcpRelayBinding in IIS. When I activate the service by browsing the WSDL it publishes a relay to Azure service bus, but as soon as I try and call it the service host closes and the relay disappears. The only exceptions I can see service side are SocketException: remote server closed connection. If I host the same service in a Console host it works fine.

Any ideas?

Solution

  • Make sure you have Non-Http Activation enabled in Windows Features.