this post was submitted on 09 Sep 2026
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ZHA started randomly dropping devices (lemmy.linuxuserspace.show)
submitted 3 days ago* (last edited 2 days ago) by Strit@lemmy.linuxuserspace.show to c/homeassistant@lemmy.world
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For years I have had my zigbee network functional with a ConBee2 zigbee coordinator in my home assistant box.

But this week, devices started to randomly drop off the zigbee network. I could re-pair them and get them in again. But yesterday, it suddenly dropped 24 devices... Sensors, buttons and lightbulbs seem to be the most common ones.

I've restarted the ZHA integration, restarted the docker container, even downgraded to 2026.8.3. Still the same.

I checked the Home-Assistant github repo issues and there are lots of issues regarding zigbee and dropped devices in the last 2-3 weeks.

Does anyone have any suggestions as to why this happened all of the sudden?

The zigbee network has been stable for years before this.

EDIT: At this time I have re-paired all the devices and will see if they start dropping off again.

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[–] Mikelius@lemmy.ml 3 points 2 days ago* (last edited 2 days ago)

This started happening to me a little while ago and slowly got worse and worse (re initializing devices didn't stick and I even went as far as buying a new ZigBee stick). While it ruined a weekend, I migrated everything to Z2M. To date, not a single device has dropped from the network. Zha has definitely borked something.

I've tried reporting issues before with other HA things, but have always got the "not my problem" treatment from frenck, so I just went straight to migrating to Z2M instead of bothering this time lol