Adrian D

Hi @puddly , Thanks for getting back so quick. Yes it is. I have 95 Zigbee devices connected and never had any issues in years.

Thanks, will change the channel as per your advice. Does this change require commissioning the devices again?

I tried several times to change the channel but the blue wheel keeps spinning and no changes are applied, even after reboot it's still `15`.

I've had to unplug the coordinator and plug back in, after that the change has been applied. The channel is now 25. Here are some errors I see in the...

> Changing the channel takes about a minute. How long did you wait? Much more than that.

Utilization on channel 15 in the past has always been between 80% - 90% and it was working just fine. It looks like on channel 25 has been reduced to...

Now is down to `75.96%!` by repositioning the coordinator. Issue still persist so if you have other ideas please let me know.

Current usb extension cable is only 2 meters long so have ordered a 5 meters which should arrive today. I'll report later if any improvements but I doubt there are...

> downgrading to last working 2023.12.4 "fixed" it for me ``` OS Version: Home Assistant OS 11.3 Home Assistant Core: 2024.1.0 Home Assistant URL: http://homeassistant.local:8123 Observer URL: http://homeassistant.local:4357 ➜ ~...

Quick update: The long extension cable didn't helped, i am pretty sure this is not an environmental problem.