Running a new HA install on RPI.
SLZB-06MU is plugged into the network via POE.
I’ve setup Mosquito on HA. Trying to start Zigbee2MQTT results in the following error:
[19:01:01] INFO: Starting Zigbee2MQTT...
Starting Zigbee2MQTT without watchdog.
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
READ THIS CAREFULLY
Refusing to start because configuration is not valid, found the following errors:
- serial/adapter must be equal to one of the allowed values
If you don't know how to solve this, read https://www.zigbee2mqtt.io/guide/configuration
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Failure page is available at http://0.0.0.0:8099/
Config is as follows:
data_path: /config/zigbee2mqtt
socat:
enabled: false
master: pty,raw,echo=0,link=/tmp/ttyZ2M,mode=777
slave: tcp-listen:8485,keepalive,nodelay,reuseaddr,keepidle=1,keepintvl=1,keepcnt=5
options: "-d -d"
log: true
mqtt:
base_topic: zigbee2mqtt
user: redacted
password: redacted
server: mqtt://localhost:1883
serial:
port: tcp://192.168.1.31:6638
baudrate: 115200
adapter: ember
Unsure if relevent but this is what I see in my Mosquitto logs:
2026-07-09 19:18:24: New connection from 172.30.32.1:33751 on port 1883.
2026-07-09 19:18:24: New client connected from 172.30.32.1:33751 as 7dR75XGVNjEDdwy69klF1V (p5, c1, k60, u'homeassistant').
2026-07-09 19:18:29: New connection from 192.168.1.31:61725 on port 1883.
2026-07-09 19:18:29: New client connected from 192.168.1.31:61725 as SLZB-06MU (p4, c1, k5000, u'mqtt').
2026-07-09 19:19:08: New connection from 172.30.32.2:49000 on port 1883.
2026-07-09 19:19:08: Client 172.30.32.2 [172.30.32.2:49000] disconnected: connection closed by client.
2026-07-09 19:21:08: New connection from 172.30.32.2:45562 on port 1883.
2026-07-09 19:21:08: Client 172.30.32.2 [172.30.32.2:45562] disconnected: connection closed by client.
I cannot figure out why I’m getting a ‘serial/adapter must be equal to one of the allowed values’ error at all. I’ve copied the config that the SLZB-06MU suggested and I’m still running into this issue.
