load balancing - SignalR not working in farm despite synced machine keys -


i'm having same problem in thread: https://github.com/signalr/signalr/issues/2292

in short have signalr hub works in local/test environments when deploy our load balanced prod environment, error the connection id in incorrect format.

i followed advice in above thread (and in numerous other answers) , synchronised machine keys across servers in farm, still getting exact same symptoms. tried restarting iis make sure keys weren't cached, did not help. not quite sure on how proceed or debug this.

how can resolve this, or can debug , figure out real problem?


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