Did you try using it from here mvnrepository.com/artifact/com.sdl.tridion.connectorframewor‌​k/…

Please verify that in your identity server (Duende) you configured redirect url properly. From log message It seems that you have space before .net in your configured url tridion-dev.xy[SPACE].net/webui/signin-oidc

Have you verified that your new VMs have enabled communications between them? From error it looks like your Transport service cannot contact discovery/deployer service(s). Open Topology Manager in CME and verify that you can list capabilities from CD environments. If that works then check logs on CD services.

Looks like you are using integrated authentication for cm database. Did you try following steps from following page docs.sdl.com/816112/673783/sdl-tridion-sites-9-5/…