The Manager user: This user is the administrator of the MySQL Enterprise Monitor User Interface. The first time you log in to the dashboard, log in as this user. You choose the ID and password for this user.
The Agent user: The Monitor Agent needs to report the status of the MySQL server it is monitoring. For this reason it needs to log in to the dashboard. You choose the ID and password for this user.
The Monitor Agent communicates both with the Dashboard, and with the MySQL server it is monitoring. For a description of the agent as a MySQL user, see Section 5.1.1, “Existing Users”.