I\'m migrating our SignalR-Service to the new AspNetCore.SignalR (2.1 preview) and now I get problems with CORS. I will never access the service from the same origin, so I n
I had the same issue, I use reactjs for clientside. Changing the version from using "@aspnet/signalr-client" into "@aspnet/signalr" solved my problem
"@aspnet/signalr-client"
"@aspnet/signalr"