Thanks mate, this sound very reasonable. I didn't know that Domoticz can hadnle old database conversion. In my case it should be even easier, becaus I'd like to shut down old HW and assigne its IP to a new one.

Hi, I am helping friend to migrate his old Domitocz v4,9700 to a new hardware. His setup in Domitocz is not complicated: MQTT, few buttons and sensors, thats it. What is the best practice in here. Current version is legacy and I can't find installer 4,9700 for Windows. I guess, the safiest would be ...