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User add failed Cannot add user on this node: REMOTE HOST IDENTIFICATION HAS CHANGED!

User add failed. Fingerprint changed:Cannot modify user on this node: REMOTE HOST IDENTIFICATION HAS CHANGED! (Reset fingerprint to authorize the change)

The identity of your gateway server has changed(due to os reload, IP migration, etc). Reset the fingerprint of the Ezeelogin installed node.
From the web panel, click Cluster -> Reset the SSH fingerprint of this node

Run the following MySQL query to reset the fingerprint from the backend " update db_prefix_settings set value="" where name='local_fp'; " ( Replace the db_prefix with the values in /usr/local/etc/ezlogin/ez.conf  in your Ezeelogin )

You can reset fingerprint by running:

root@jumpserver:~#  php /usr/local/ezlogin/ez_queryrunner.php "UPDATE prefix_settings SET value='' WHERE name='local_fp'"