Hi,a
After upgrading to Home Assistant 2021.1.1, I noticed that I have problems with my MQTT-integration.
- my MQTT broker is up & running
- hass connects to MQTT broker correctly
- existing devices are “not available”:
- no new devices are added to hass
- I can manipulate the state of my bulbs by using domoticz (prooving mqtt+zigbee works)
I have currently 5 instances of hass running on 5 different physical servers. All have same symptoms after upgrading.
I have already
- restarted hass
- rebooted device
- removed mqtt-integration + added it again
any help is appreciated. Preferably before darkness, because none of my automations work right now 
kind regards,
Bart Plessers
Here is -I think- what happend
- I have one instance running hass + addons: MQTT + zigbee2mqtt as “backend”
- I don’t want to use this instance as frontend. I just want to have a fast stable MQTT/zigbee server
- however, autodiscover --> MQTT-integration was added: all my mqtt devices were added to this instance
- I removed the integration manually and rebooted
- I suppose that -with removing the MQTT integration, the entities were removed from the MQTT dbase. The devices still exist for some reason.
so
- my other instances, connecting to the same MQTT backend were a little bit messed up.
Solution:
- on other instance removed MQTT-integration
- added it again
- clicked around
things seem to be working again.
fingers crossed
!
B