MacMini help for a beginner audiophile

[wizardofoz (Mr Fix It aka The Wiz)]

See what I mean

New installation of existing set-up not working, need help

Mac mini (2020 model 3.0 Ghz, 32Gb) macOS Catalina. Roon version 1.7 build 528 Network Details (all connections are via Ethernet cable, Mac mini to Netgear switch, BT Hub 6 ) Audio Devices (Control via iPad Pro on wi-fi, audio via Naim NDX2 connected by ethernet cable to swithch) Description Of Issue New Mac Minin bought to replace 11 year old MacBook Air, so Air backed up via TimeMachine, Mini set up and Apple Migration Asst used to transfer back up of Air to Mac mini - apparently successfu…