Be sure you are configuring the receiver per the example mentioned in the guide: https://docs.splunk.com/Observability/gdi/monitors-databases/mysql.html  receivers: smartagent/mysql: type: collectd/mysql host: 127.0.0.1 port: 3306 username: <global-username-for-all-db> password: <global-password-for-all-db> databases: - name: <name-of-db> username: <username> #Overrides global username password: <password> #Overrides global password ... View more