Roon app won't connect from iPhone 16 to Nucleus (ref#N56VKK)

Support
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Is Roon Server running?

· Yes, Roon Server is turned on and running.

What do you see on your screen?

· "Looking for your Roon Server"

Please try to restart your Roon Server by closing the Roon app in the taskbar or rebooting your Roon Server machine.

· No, the issue remains the same

Please try to restart your network setup by unplugging, waiting 30 seconds and then replugging in your networking gear.

· No, the issue remains the same

Please select how you've connected your Roon Server to the internet

· Roon Server is connected by *Ethernet*

Have you checked your firewall settings to ensure that Roon is allowed through?

· Roon still won't connect even after checking this aspect

Have you verified that Roon Server is on the same subnet as your Remotes?

· My Remotes and Server are on the same subnet and I still can't connect

Sometimes the issues can be resolved with a reinstall of your Roon Remote app. Let's try to perform a reinstall and see if it helps.

· I've reinstalled the Roon Remote but it did not help

What is the operating system of your Roon Server host machine?

· *Nucleus*

Select any of the following components that are present in your local network setup

· None of the above

Describe the issue

The roon app will not connect to my nucleus. I am using an iPhone 16. The necleus connects fine on my ipad. On the iphone it trys to connect but never does. The iphone is updated and I updated the roon software and reset it. There is no vpn. No privacy loop issue. Please advise on a possible solution. Thank you. Will Campbell

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Hi @William_Campbell,

Thank you for your post. We’ve pulled diagnostics from the server and can see the client losing connection. The iPhone initially creates a session with the server before the data flow ceases. Around the same time, but not precisely at the same time, several upstream requests from the Nucleus fail to both Roon’s servers and streaming service servers.

Can you please elaborate on the network topology serving this setup? Are there mesh nodes or managed switches between the antenna serving the iPhone’s WiFi and the point where you’ve hardwired your Nucleus?

You may have already tried this, but change the Private WiFi Address from Rotating to Fixed on the iPhone.

We’ll watch for a response. Thank you!

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AT&T BGW320-505 Router —> UniFi USW-48-POE (switch) —>Unifi USW-Lite-8-POE (switch) —> Roon

There are no mesh nodes. The access points (antenna) have meshing turned off. The access points are fed by the USW-48-POE in the rack (which is what supplies the WiFi for phone). That same managed switch feeds the USW-Lite-8-POE (2nd managed switch) which is what the Roon is connected to.

I just checked the logs on the switch and it shows the Roon has been connected since 12:58 with no downtime.

An iphone 13 and ipad work perfectly in this setup.

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Hi @William_Campbell,

On the iPhone 16 (Apple Settings) have you granted network access to the Roon application?

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Yes, access has been granted.

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The ipad and iphone 13 connect perfectly with the server using the same network

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Given your network setup I suspect you’ve checked this already but here goes…

Confirm that the iPhone is connected to the same subnet as the Roon Server.

After that, I recommend deleting the Roon App and reinstalling on the iPhone.

Then I’m out of ideas.

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Thanks Carl. They are connected to the same subset. I will delete the app again.

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Now it works, not sure why other than deleted app and turned off Gghz frequency on the wifi

2 Likes
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Hey @William_Campbell,

That’s great news! Happy to hear you were able to sort things out.

Happy listening! :notes: :drum:

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