Having the same IP for both old/new mgmt server will cause you issues - don't do that.
Simply, introduce a 2nd mgmt server (don't touch the DB), make sure it works, then stop/kill old mgmt. Later, migrate DB to a new Mysql server (could be on that new mgmt2 server) - and update the db.properties to point to new DB server IP (for both cloud and cloud_usage DBs) Do it in steps, if you have not done it before all at once. If you hit issues on ONE of those specific steps, let us know, so that we can help. (and please share your procedure) Best,