Tried that, doesn't work. Using the SignalR example given in: http://forums.cshtml5.com/viewtopic.php?f=7&t=8121&p=9451&hilit=signalr#p9451 https://github.com/cshtml5/CSHTML5.Extensions.SignalR Added to Startup.cs: // Made the buffer size five times larger GlobalHost.Configuration.MaxInc...