Originally Posted by tanvir
After changing MySQL password will postfix, Apache2, BIND, Dovecot, ISPConfig 3 etc work fine as they are doing now... ?
I'm not that familiar with ISPConfig 3 and cannot tell for sure if it or its services use a MySQL database, specifically the 'root' account.
You may want to wait for an answer on this from some one who knows how things work in ISPConfig 3.
anyhow, the services like apache, bind, dovecot, postfix should not be affected by the change of your mysql 'root' password.