SignalR: Error during WebSocket handshake: Unexpected response code: 400

Question

I have just started working with SignalR. I have implemented real-time data reflection on my site using signalr. I was getting \"Error during Web-Socket handshake: Unexpecte

Answer 1

I was having same issue in .Net Core Web API with Angular 8 front end. The issue in my case was the Websocket protocol was not installed on server. Installed it from Server manager -> Add Roles and Features and it worked