Negotiate 404 with SignalR 2.2.1 in Asp.net core application
问题 I've been strugging with this one for a few days now... I have an Asp.net core application which uses .Net 4.6 and SignalR 2.2.1. When running locally in IIS Express from VS 2015 on a Windows 10 pc, everything works fine. It even works when deploying to IIS 10 on my local machine. However, when deploying to IIS on a vm running Windows Server (I've tried 2008 R2, 2012 R2 and 2016 TP5), I consistently get a 404 error when SignalR tries to negotiate. Running as the default website, http:/