mex endpoint configuration for wcf over net.tcp

mex-1.xml

<services>
  <service behaviorConfiguration="InstanceControllerServiceBehavior" name="Services.InstanceControllerService.InstanceController">
    <endpoint name="netTcpEndpoint" binding="netTcpBinding" contract="Services.InstanceControllerService.IInstanceController" />
    <endpoint name="mexNetTcpEndpoint" address="net.tcp://my-server:41422/mex" binding="mexTcpBinding" contract="IMetadataExchange"/>
    <host>
      <baseAddresses>
      </baseAddresses>
    </host>
  </service>
</services>

mex-2.xml

<behaviors>
  <serviceBehaviors>
    <behavior name="InstanceControllerServiceBehavior">
      <serviceMetadata />      
    </behavior>
  </serviceBehaviors>
</behaviors>