IIS 8.0 Express and WebSocket on Windows 8 not working

Question

I try to play around websockets and implemented Websocket server as IHttpHandler. I'm, working on Windows8, VisualStudio 2012 and IIS 8 express. Everytime when I try to connect to my server using javascript client I get context.IsWebSocketRequest equals false inside ProcessRequest method. When I switch to local IIS server everything works fine (context.IsWebSocketRequest is true) . Did I miss something? How can I force IIS Express to work with WebSockets?

My WebSocket server implementation:

public class WebSocketHandler: IHttpHandler
{
    public void ProcessRequest(HttpContext context)
    {
       if (context.IsWebSocketRequest)
       {
           context.AcceptWebSocketRequest(ProcessWebSocketRequest,new AspNetWebSocketOptions()
               {
                   RequireSameOrigin = true
               });
       }
    }

    private async Task ProcessWebSocketRequest(AspNetWebSocketContext socketContext)
    {
        var ws = socketContext.WebSocket;
        while (true)
        {
            //Do something...
        }
    }

    public bool IsReusable { get { return false; } }
}

Answer 1

Have you enabled the WebSockets in the configuration?

http://www.paulbatum.com/2011/09/getting-started-with-websockets-in.html