ZBT-1 to ZBT-2 -- z2m migration to z2m

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22

It seems the IEEE was not cloned properly from ZBT-1 to ZBT-2
frame_counter and hashed_tclk also differ, but I can’t find any info if that’s a problem.

Thoughts?

coordinator_backup.json.old :

{
  "metadata": {
    "format": "zigpy/open-coordinator-backup",
    "version": 1,
    "source": "[email protected]",
    "internal": {
      "date": "2026-04-26T16:51:34.359Z",
      "ezspVersion": 9
    }
  },
  "stack_specific": {
    "ezsp": {
      "hashed_tclk": "7cbb476bc68a4798305bf1c18e902af3"
    }
  },
  "coordinator_ieee": "bc026efffed196f7",
  "pan_id": "da95",
  "extended_pan_id": "0251180ace3c3677",
  "nwk_update_id": 0,
  "security_level": 5,
  "channel": 11,
  "channel_mask": [
    11,
    12,
    13,
    14,
    15,
    16,
    17,
    18,
    19,
    20,
    21,
    22,
    23,
    24,
    25,
    26
  ],
  "network_key": {
    "key": "f5696ae8e06ac0355f1aa5ab3b3cbd41",
    "sequence_number": 0,
    "frame_counter": 37955871
  },
  "devices": []
}

coordinator_backup.json :

{
  "metadata": {
    "format": "zigpy/open-coordinator-backup",
    "version": 1,
    "source": "[email protected]",
    "internal": {
      "date": "2026-04-26T19:59:35.103Z",
      "ezspVersion": 13
    }
  },
  "stack_specific": {
    "ezsp": {
      "hashed_tclk": "80eebe6b778fa75c9227f5545ab268ce"
    }
  },
  "coordinator_ieee": "f796d1feff6e02bc",
  "pan_id": "da95",
  "extended_pan_id": "0251180ace3c3677",
  "nwk_update_id": 0,
  "security_level": 5,
  "channel": 11,
  "channel_mask": [
    11,
    12,
    13,
    14,
    15,
    16,
    17,
    18,
    19,
    20,
    21,
    22,
    23,
    24,
    25,
    26
  ],
  "network_key": {
    "key": "f5696ae8e06ac0355f1aa5ab3b3cbd41",
    "sequence_number": 0,
    "frame_counter": 4688
  },
  "devices": []
}
Failed ZBT-1 to ZBT-2 migration on Z2M. How to recover lost devices?
23

I’m not so much an expert, but I was expecting the devices list to contain the list of devices already paired… that’s why I thought you didn’t have any devices showing. But since this list is empty in the original coordinator_backup, then an empty device list must not be the problem.

24

Thanks @wmaker. I think it’s time for a new topic :slight_smile: :frowning: