Roon 2.0 Access Issue

Roon Core Machine

Nucleus +

Networking Gear & Setup Details

Virgin media Hub 5.0
Netgear Orbi Base RB50 connected via Powerline ethernet to Nucleus +

Connected Audio Devices

Hugo 2 DAC connected via USB.
Apple IOS devices over Wifi
IMac via ethernet above

Number of Tracks in Library


Description of Issue

unable to access core via Roon ARC app.
Error message is:

“connectivity”: {“status”:“NetworkError”,“status_code”:504,“error”:“error: Error: ETIMEDOUT, response code: undefined, body: undefined connected? undefined”},
“external_ip”: {“actual_external_ip”:“xxxx”,“router_external_ip”:null},
“natpmp_autoconfig”: {“status”:“NotFound”},
“upnp_autoconfig”: {“server_ip”:“”,“found_upnp”:true}

Hey @Dominic_Myers,

Typically, errors can be caused by a misconfigured Port Forwarding setting, if you are not seeing Ready listed in Roon Settings -> Roon ARC, please look over this guide before proceeding.

If you have reviewed this guide and still have not resolved the issue, can you provide the following details about your network setup to help expedite troubleshooting?

  1. Who is your internet service provider?
  2. Please list the make and model of your modem and router, particularly if you have more than one router in your setup?
  3. Do you have any additional network hardware, like additional routers or managed switches?
  4. Does your network have any VPNs, proxy servers, or enterprise-grade security?

I’ll be on standby for your reply :+1:

Thanks, Benjamin. Problem resolved!

1 Like

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