@mcm1957 und @Samson71 und @Fabio
Danke für eure schnelle Rückmeldung. Ich hatte ursprünglich auf einen alten Thread antworten wollen, daher wohl die falsche Überschrift. Es geht um meine beiden Shelly 2pm Plus. Ich habe die Passwörter mehrfach neu eingegeben, auch nach einem Factory Reset. Manuell geschrieben aber auch per copy and paste. Eigentlich kann es daran nicht liegen.

Der Log nach einem Neustart des Shelly Adapters sieht wie folgt aus:
shelly.1
2025-10-27 17:34:59.584 info [MQTT] Client Close: (shellyplus2pm / shellyplus2pm-80646fcfcbfc / shellyplus2pm#80646fcfcbfc#1) (false)
shelly.1
2025-10-27 17:34:59.564 error [MQTT] Wrong MQTT authentication of client "shellyplus2pm-80646fcfcbfc": Incorrect password
javascript.0
2025-10-27 17:34:55.342 info script.js.Beleuchtung.Hue_Push: {"owner":{"rid":"0e4af229-1184-4524-9397-8def4f2c3c01","rtype":"device"},"temperature":{"temperature":9.43,"temperature_report":{"changed":"2025-10-27T16:34:55.291Z","temperature":9.43}}}
javascript.0
2025-10-27 17:34:55.342 info script.js.Beleuchtung.Hue_Push: missing update instructions for sensors.temperature.temperature_report
shelly.1
2025-10-27 17:34:17.523 info [MQTT] Client Close: (shellyplus2pm / shellyplus2pm-08b61fcca0e0 / shellyplus2pm#08b61fcca0e0#1) (false)
shelly.1
2025-10-27 17:34:17.499 error [MQTT] Wrong MQTT authentication of client "shellyplus2pm-08b61fcca0e0": Incorrect password
shelly.1
2025-10-27 17:34:04.558 info [MQTT] Client Close: (shellyplus2pm / shellyplus2pm-80646fcfcbfc / shellyplus2pm#80646fcfcbfc#1) (false)
shelly.1
2025-10-27 17:34:04.528 error [MQTT] Wrong MQTT authentication of client "shellyplus2pm-80646fcfcbfc": Incorrect password
javascript.0
2025-10-27 17:33:51.114 info script.js.Beleuchtung.Hue_Push: {"light":{"light_level":8013,"light_level_report":{"changed":"2025-10-27T16:33:51.065Z","light_level":8013}},"owner":{"rid":"ab48f2cb-9827-43ef-9fdd-137120bdd3f1","rtype":"device"}}
javascript.0
2025-10-27 17:33:51.114 info script.js.Beleuchtung.Hue_Push: missing update instructions for sensors.light.light_level_report
shelly.1
2025-10-27 17:33:48.200 info [MQTT] Device with client id "shellyplus2pm-a0a3b366b9f4" connected from 192.168.68.87!
shelly.1
2025-10-27 17:33:48.115 info [MQTT] Device with client id "shellyplus2pm-e465b85fcd64" connected from 192.168.68.72!
shelly.1
2025-10-27 17:33:48.071 info [MQTT] Device with client id "shellyplus2pm-e465b8945518" connected from 192.168.68.84!
shelly.1
2025-10-27 17:33:48.048 info [MQTT] Device with client id "shelly2pmg3-8cbfea99d17c" connected from 192.168.68.57!
shelly.1
2025-10-27 17:33:47.986 info [MQTT] Device with client id "shelly2pmg3-8cbfea997f2c" connected from 192.168.68.52!
shelly.1
2025-10-27 17:33:47.910 info [MQTT] Device with client id "shellyplus2pm-d4d4da07eb08" connected from 192.168.68.62!
shelly.1
2025-10-27 17:33:47.782 info [MQTT] Device with client id "shelly2pmg3-8cbfea993584" connected from 192.168.68.83!
shelly.1
2025-10-27 17:33:47.599 info [MQTT] Device with client id "shelly2pmg3-8cbfea9d5e14" connected from 192.168.68.56!
shelly.1
2025-10-27 17:33:47.396 info [MQTT] Device with client id "shellyplus2pm-e465b85fd654" connected from 192.168.68.68!
shelly.1
2025-10-27 17:33:45.607 info Starting in MQTT mode. Listening on 0.0.0.0:1882 (QoS 0)
shelly.1
2025-10-27 17:33:45.482 info starting. Version 10.2.0 in /opt/iobroker/node_modules/iobroker.shelly, node: v20.18.1, js-controller: 7.0.7
host.iobroker
2025-10-27 17:33:44.757 info instance system.adapter.shelly.1 in version "10.2.0" started with pid 404562
host.iobroker
2025-10-27 17:33:41.540 info instance system.adapter.shelly.1 terminated with code 11 (ADAPTER_REQUESTED_TERMINATION)
shelly.1
2025-10-27 17:33:41.482 info terminating
host.iobroker
2025-10-27 17:33:41.020 info stopInstance system.adapter.shelly.1 send kill signal
shelly.1
2025-10-27 17:33:40.981 info Terminated (ADAPTER_REQUESTED_TERMINATION): Without reason
shelly.1
2025-10-27 17:33:40.981 info terminating
shelly.1
2025-10-27 17:33:40.980 info Got terminate signal TERMINATE_YOURSELF