Hi, @David Cerezo Romero ,
Sorry, ASP.NET Core SignalR isn't compatible with clients or servers for ASP.NET SignalR. This means that you cannot use the old server with the new clients or the old clients with the new server.
Differences between ASP.NET SignalR and ASP.NET Core SignalR
MSDN SignalR Blog 《Announcing SignalR (alpha) for ASP.NET Core 2.0》
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Best Regards,
Michael Wang