<system.applicationHost>
  <system.applicationHost>
    <applicationPools>
      <add name="dev" autoStart="true" startMode="AlwaysRunning" />

  <sites>
    <site name="dev" id="2" serverAutoStart="true">
      <application path="/foo" applicationPool="dev" enabledProtocols="http,net.tcp" serviceAutoStartEnabled="true" serviceAutoStartProvider="startProvider">


  <serviceAutoStartProviders>
    <add name="startProvider" type="namespace.class, assembly" />
  </serviceAutoStartProviders>