Hi! What’s not quite right with Roon? · Can’t reach my Server, remotes or ARC Can’t connect to my Server, remotes or ARC · Other ARC issues Tell us what's going on · cannot connect to the roon server Tell us about your home network · Roon server cannot be connected to my Mac mini which is run on…

This is a known issue with macOS 27 and Roon. Workarounds are here: [image] Fix Missing Audio Devices After a macOS Update in Roon If your audio devices disappeared from Roon after a macOS update, this article walks you through the steps that can help restore them. Try each section in o…

[Capture d’écran 2026-09-27 à 23.27.41] Would you explain how to change the last number to 0 and add /24 ???

Do the other (less intrusive) approaches in the instructions not work? You should try them first. If you have to, make the changes in Terminal: Just change it :slight_smile: Open Terminal. [image] Copy the command from step 2 in the instructions ifconfig | grep "inet " | grep -v 127.0.0.1 …

Thank you for your reply, but won’t this cause me to lose the connection between my Mac and my Ravenna AES67 hi-fi system?

[image] KDM: Thank you for your reply, but won’t this cause me to lose the connection between my Mac and my Ravenna AES67 hi-fi system? I doubt it because what it does is to tell macOS that all apps have permission to contact devices on the local network. I.e., it makes permissions more relax…

Hi @ng.dennis , Thank you for your post. macOS 27 Golden Gate restricts Roon’s network access at the OS level because it falsely flags the Roon application bundle as a threat. The team is working on a solution to restore device discovery on Mac-hosted RoonServer machines. We’ll announce this broadl…

I am a stupid man. I don’t understand.Please what’s next, I did a french translation, but I am still stupid. Step by step if possible… Thanks for your time. [Capture d’écran 2026-09-29 à 01.14.43]

What does that mean : "Copy and paste each command below into Terminal, one at a time. Replace 192.168.1.0/24 with the address you found above. Do not change 224.0.0.0/4. " ??? You asked me to change to 192.168.1.0/24 … What is the address I found above? Sorry! A very stupid old man…

Sorry, it was my fault :man_facepalming: This was wrong: 5. Copy the whole line again, copy it, and paste it back into the Terminal. (It will go automatically on the new line in the Terminal) Do not paste that line and execute it. Nothing bad happened, it refused to run this non-existing command. …

OK, and sorry for my bad mood—I hate having to mess with computer settings! And thank you so much for offering to help me. I’ll wait for Roon to find a solution. I’m surprised, though, that they didn’t receive the information from Apple earlier to anticipate the problem. Have a pretty good day

Unable to connect to Roon Server (ref#KTJ8XP)

Support

Suedkiez (Just a fellow user like you) September 27, 2026, 5:55pm 2

This is a known issue with macOS 27 and Roon. Workarounds are here:

Roon is working on a fix and hopefully it should not take very long: