title: WebAPI self-host 503 error (HttpSelfHostConfiguration setted HttpSelfHostConfiguration)
body: <p>I have a window service using self-hosted WebAPI.
  HttpSelfHostConfiguration.HostNameComparisonMode set HostNameComparisonMode.Exact for hostname strong match.</p>
  
  <pre><code>var config = new HttpSelfHostConfiguration(uri);
  config.HttpSelfHostConfiguration = System.ServiceModel.HostNameComparisonMode.Exact;
  this._server = new HttpSelfHostServer(config);
  _server.OpenAsync().Wait();
  </code></pre>
  
  <p>And URL reservation for the specified URL namespace for the domain.</p>
  
  <pre><code>netsh http add urlacl url=https://+:443/ user=EVERYONE
  </code></pre>
  
  <p>To bind an SSL certificate to a port number.</p>
  
  <pre><code>netsh http add sslcert ipport=0.0.0.0:443 certhash=xxxxxxxxxxx appid={xxxxxxxxx}
  </code></pre>
  
  <p>But Result appear HTTP 503 error.
  I don't know state.</p>