WCF NetTcpBinding with mex

wcf

I'm trying to publish a wcf service using nettcpbinding. I want to publish metadata, using ?wsdl.
I added the following line to the config file:

<endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/>

but I can't see the wsdl in my browser. what did I do wrong?
Thanks.

Edit: Here is the relevant part of my config file:

<system.serviceModel>
   <services>
<service name="wcfcheck.service1" behaviorConfiguration="wcfcheck.Service1Behavior">
       <endpoint address="" binding="netTcpBinding" contract="wcfcheck.Iservice1"/>
       <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/>
</service>
   </services>
<behaviors>
<serviceBehaviors>
  <behavior name="wcfcheck.Service1Behavior">
    <serviceMetadata httpGetEnabled="true" httpGetUrl=""/>
    <serviceDebug includeExceptionDetailInFaults="true"/>
  </behavior>
</serviceBehaviors>

I might not be accessing the right URL. I tried both http://localhost:51159/Service1.svc?wsdl and http://localhost:51159/Service1.svc/mex?wsdl, and without the '?wsdl'.

Best Answer

You need to use the <serviceMetadata> element.

    <behaviors>
      <serviceBehaviors>
      <behavior name="metadataSupport">
        <!-- Enables the IMetadataExchange endpoint in services that -->
        <!-- use "metadataSupport" in their behaviorConfiguration attribute. -->
        <!-- In addition, the httpGetEnabled and httpGetUrl attributes publish -->
        <!-- Service metadata for retrieval by HTTP/GET at the address -->
        <!-- "http://localhost:8080/SampleService?wsdl" -->
        <serviceMetadata httpGetEnabled="true" httpGetUrl=""/>
      </behavior>
    </serviceBehaviors>
  </behaviors>
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