Error in ARC automatic configuration

[Menzies]

Welcome to the Roon Community

The error suggests you have CGNAT (carrier grade NAT).

A VPN is a workaround for this or you can alternatively contact your ISP and ask for a fixed/private IP.

Have a quick look here for VPN related info.

Mobile Use: Roon 1.8/2.0 via VPN vs. Roon Arc

Whilst it isn’t a new thing, but a VPN setup on a phone (in my case an iPhone) allows me to access my Roon Core from the Roon app. I can also have my phone as the endpoint. Via Lightning to USB, plugged into a vehicles head unit gets me lossless and charges the phone. I prefer a simpler, single app solution rather than more apps on my phone. Surely a VPN is the way forward rather than 2 apps and port forwarding. Implement off-lining of content via the normal app to the endpoint (or Roon Core …