WCF: A binding instance has already been associated to listen URI http://site/_vti_bin/restservice.svc

The simple resolution to this was to change my endpoint address to a relative url.

The endpoint address was set as an empty string

<endpoint address=""
  binding="basicHttpBinding"
  contract="MyNamespace.IMyContract" >
<identity>
<dns value="localhost" />
</identity>
</endpoint>

I changed the address to the relative path (_vti_bin/Folder/MyService.svc) to resolve the problem.

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