title: The server factory could not be located for the given input: Microsoft.Owin.Host.HttpListener
body: <p>I have implemente signalR in window service.</p>
  
  <pre><code>private IDisposable SignalR { get; set; }
  
  public void Configuration(IAppBuilder app)
  {   
          var hubconfig=new Microsoft.AspNet.SignalR.HubConfiguration();
          hubconfig.EnableJSONP = true;
  
          app.UseCors(CorsOptions.AllowAll);
          app.MapSignalR(hubconfig);
  }
  
  
  private void StartSignalRServer(StringBuilder sbLog)
  {
          try
          {
              this.SignalR = WebApp.Start(ServerURI); //This throws exception
  
              //this.SignalR= WebApp.Start&lt;Startup&gt;(ServerURI);
              sbLog.Append(string.Format("{0}--------SignalR Server Started------",Environment.NewLine));
          }
          catch (Exception ex)
          {
              sbLog.Append(string.Format("{0}Exception in StartSignalRServer=&gt;{1}", Environment.NewLine,ex.Message));
          }
  }
  </code></pre>
  
  <blockquote>
    <p>Exception:The server factory could not be located for the given input:
    Microsoft.Owin.Host.HttpListener</p>
  </blockquote>