As expected, the reboot resolved the connection issue, but now I'm back to the no export activity.

When I started Control:Mac again, initially the iTunes Library I had set-up was not showing, but when I went to create it again it recognised that there was already one there and I opted to keep it.

Does anyone have ideas how I can get any and/ or all of my library exported?

Trinnov Altitude 32-8-16, Meridian 271, Front: DSP7200SE, Centre: DSP7200SEHC, Rear: DSP3200, Ceiling Front & Rear: DSP320.2, Sub: Velodyne DD15+, MC200, Oppo 203, Sony VPL-VW360es, Lumagen 5348.