No device detected about tdm HOT 10 CLOSED

Interesting why you have doubled subscribe topics. Also, do your devices use localized or customized payloads or prefixes?

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Not always, now when I restart app there are no double subscribe topics but still no device in list:

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Answer my other question plese as well

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14:47:57 MQT: blitzwolf01/tele/SENSOR = {"Time":"2019-10-05T14:47:57","ENERGY":{"TotalStartTime":"2019-08-25T19:13:21","Total":14.967,"Yesterday":0.009,"Today":0.001,"Period":0,"Power":0,"ApparentPower":0,"ReactivePower":0,"Factor":0.00,"Voltage":234,"Current":0.000}}

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The above pattern is wrong and unnecessary. However it might not a reason why it is not working.
How many devices you have, btw?

Also, when you get a mqtt client and connect to your broker's # topic, does it reply with retained LWT messages?

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I have 6 tasmota devices.
When I connect to # topic I get a ton of messages, how can I figure out if they are LWT ?

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because they will have LWT in topic. They should be visible at the beginning.
Here it looks like this:

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No there are no LWT topics

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Solved: I must restart a device in order to publish a LWT message.
Thanks for help !

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Well, not really. The LWT is a retained message, which is present in the broker and sent out whenever any client connects to it. As such, TDM upon connecting should trigger your MQTT broker to publish retained topics.

Edit: the LWT message is stored/created as soon as your tasmota device connects to the broker for the first time. It's odd why it's not there.

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