Zigbee2MQTT adapter_concurrent: What It Actually Controls
Understand Zigbee2MQTT adapter_concurrent, adapter-specific defaults and active outgoing tasks. Check slow multi-device commands before changing the setting.
~/archive $ ls -la
Archive
coordinator
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Zigbee2MQTT Network Key: Re-pairing and Group/Scene Recovery
Plan a Zigbee2MQTT network-key change with backups, re-pairing and group/scene checks. Understand adapter-specific startup behavior and recovery steps.
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Zigbee2MQTT Network Map Explained: Reading LQI and Depth
Zigbee2MQTT's map shows LQI, depth and zero-value links with no legend. What each number means, which ones are cosmetic, and the few that need action.
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Zigbee2MQTT Install Codes: Why Some Devices Need Them
Register a Zigbee2MQTT install code: identify the correct device label, supported adapter and QR format, then verify registration before pairing.
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Zigbee2MQTT Coordinator Backup and Restore: The Full Guide
Create and verify a Zigbee2MQTT data backup, check adapter-specific radio export limits, and plan coordinator migration and identity recovery.
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Changing Your Zigbee2MQTT Channel Without Losing Devices
Zigbee2MQTT broadcasts a channel change to paired devices on zstack and ember adapters. The config edit, sleepy devices, and the backup-file trap.
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SkyConnect/ZBT-1 Multiprotocol: Zigbee + Thread, One Dongle?
SkyConnect/ZBT-1 multiprotocol firmware remains experimental; its Home Assistant app is unsupported. Compare dedicated Zigbee and Thread paths and migration.
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Zigbee2MQTT database.db Corrupted or Wiped: What to Do
Zigbee2MQTT lost every device after a restart, or database.db is 0 bytes? What the file stores, why it happens, and how to recover before re-pairing.
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Zigbee2MQTT permit_join: The Security Risk After 2.0
Zigbee2MQTT 2.0 removed permanent permit_join. What the 254-second join window still exposes, and how a device passlist controls membership locally.
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Zigbee2MQTT on a UGREEN NAS: Docker vs VM Passthrough
Compare Home Assistant and Zigbee2MQTT deployment routes on a UGREEN NAS, including USB device mapping, VM limits and network coordinators.