How to fix Tasmota MQT: Connect failed to ..., rc 5
Problem:
On the Tasmota console, you see an error message like
how-to-fix-tasmota-mqt-connect-failed-to-rc-5.txt
17:56:11.326 MQT: Connect failed to 10.19.50.10:1883, rc 5. Retry in 50 sec
Solution
Your MQTT username/password is wrong. Check if they match what you have configured in your server in the Tasmota MQTT configuration page.
Check out similar posts by category:
MQTT
If this post helped you, please consider buying me a coffee or donating via PayPal to support research & publishing of new posts on TechOverflow