Hello,
Here I am again with yet another mqtt issue. This time all my mqtt devices went unavailable after I updated EMQX. So this time I decided to go with the standard mosquitto broker.
Now none of my devices are showing up in the integration. I have set up a new user in home assistant for the as mentioned in the add-on documentation.
I can see from the add-on logs that the users I have set for devices, including z2m, are logging into the mosquitto just fine (I set up additional users in the addon configuration page).
From the mosquitto add-on logs:
[10:44:34] INFO: Successfully send discovery information to Home Assistant.
[10:44:34] INFO: Successfully send service information to the Supervisor.
2025-11-08 10:44:34: New connection from 172.30.32.1:40526 on port 1883.
2025-11-08 10:44:34: New client connected from 172.30.32.1:40526 as mqttjs_61cc7736 (p2, c1, k60, u'mqtt_zigbee2mqtt').
2025-11-08 10:44:35: New connection from 172.30.32.1:40542 on port 1883.
2025-11-08 10:44:35: New client connected from 172.30.32.1:40542 as frigate (p2, c1, k60, u'mqtt_frigate').
2025-11-08 10:44:38: New connection from 172.30.32.1:37423 on port 1883.
2025-11-08 10:44:38: New client connected from 172.30.32.1:37423 as 0GBgucKYlsyvnpqv8UbJvZ (p2, c1, k60, u'homeassistant').
2025-11-08 10:44:38: New connection from 192.168.1.71:60039 on port 1883.
2025-11-08 10:44:38: New client connected from 192.168.1.71:60039 as parkasst (p2, c1, k15, u'mqtt_park_assist').
2025-11-08 10:45:24: Client 0GBgucKYlsyvnpqv8UbJvZ disconnected.
2025-11-08 10:45:24: New connection from 172.30.32.1:48449 on port 1883.
2025-11-08 10:45:24: New client connected from 172.30.32.1:48449 as 0V4P9H6HzgnZg0seTWhLMH (p2, c1, k60, u'homeassistant').
I see this from the Home Assistant Core log, probably indicating an authentication error from Home Assistant to the add-on (or integration).
Logger: homeassistant.components.mqtt.client
Source: components/mqtt/client.py:1031
integration: MQTT (documentation, issues)
First occurred: 10:15:11 (1 occurrence)
Last logged: 10:15:11
Unable to connect to the MQTT broker: Not authorized
I have added mqtt_homeassistant, the user I have added to home assistant via the people panel for the broker, to the users in the mosquitto broker add-on configuration without success.
Not sure which user or IP address this is, but assume it’s the home assistant user I have created …
2025-11-08 11:00:25: New connection from 172.30.32.1:57263 on port 1883.
2025-11-08 11:00:25: New client connected from 172.30.32.1:57263 as 4llCOiOIcpb7EF36H79Zdf (p2, c1, k60, u'homeassistant').
2025-11-08 11:00:25: Client 4llCOiOIcpb7EF36H79Zdf disconnected.
2025-11-08 11:00:25: New connection from 172.30.32.1:38553 on port 1883.
2025-11-08 11:00:25: New client connected from 172.30.32.1:38553 as 0xLEJRJ0qQ6JWTElm9vXDv (p2, c1, k60, u'homeassistant').
2025-11-08 11:01:26: New connection from 172.30.32.2:34926 on port 1883.
2025-11-08 11:01:26: Client <unknown> closed its connection.
2025-11-08 11:03:26: New connection from 172.30.32.2:34204 on port 1883.
2025-11-08 11:03:26: Client <unknown> closed its connection.
2025-11-08 11:05:26: New connection from 172.30.32.2:44804 on port 1883.
2025-11-08 11:05:26: Client <unknown> closed its connection.
2025-11-08 11:07:26: New connection from 172.30.32.2:39026 on port 1883.
2025-11-08 11:07:26: Client <unknown> closed its connection.
Have also deleted and re-added the integration but no devices are added. Not sure what I am doing wrong.
PS: Noticed this on the integration settings page. User is “homeassistant”, should this be changed? It is different to the user I set up in home assistant for the mqtt broker. Thought that “homeassistant” was a reserved username…
Changed that to the mqtt_homeassistant username and password. Still nothing coming through.
