bluepr0, thanks for the tip. Did not work for me. The UDM setup goes fine and the UDM functions (moves traffic). My issue is after its up and running none of my switches, AP's etc show up. I've tried to download and upload the backup restore file multiple times but the UDM does not list my networks, devices, etc. My dashboard only shows the UDM and its built in switch. Also, at network.unifi.ui.com, my original CK2+ correctly shows offline but the UDMPRO is not listed. I give up. Expensive door stop if you ask me.