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Auto reauth mqtt entry when the broker add-on is re-installed (#34423)

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* Auto reauth mqtt entry when the broker add-on is re-installed

* Improve grammar

* Mark text block important instead of a warning

* tiny tweak

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Co-authored-by: c0ffeeca7 <38767475+c0ffeeca7@users.noreply.github.com>
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Jan Bouwhuis 2024-08-26 10:25:16 +02:00 committed by GitHub
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source/_integrations/mqtt.markdown
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@ -122,6 +122,10 @@ Your first step to get MQTT and Home Assistant working is to choose a broker.
The easiest option is to install the official Mosquitto Broker add-on. You can choose to set up and configure this add-on automatically when you set up the MQTT integration. Home Assistant will automatically generate and assign a safe username and password, and no further attention is required. This also works if you have already set up this add-on yourself in advance.
You can set up additional logins for your MQTT devices and services using the [Mosquitto add-on configuration](https://my.home-assistant.io/create-link/?redirect=supervisor_addon&addon=core_mosquitto).
{% important %}
When MQTT is set up with the official Mosquitto MQTT broker add-on, the broker's credentials are generated and kept secret. If the official Mosquitto MQTT broker needs to be re-installed, make sure you save a copy of the add-on user options, like the additional logins. After re-installing the add-on, the MQTT integration will automatically update the new password for the re-installed broker. It will then reconnect automatically.
{% endimportant %}
Alternatively, you can use a different MQTT broker that you configure yourself, ensuring it is compatible with Home Assistant.
## Setting up a broker