Dê uma olhada aqui:http://dev.mysql. com/doc/refman/5.0/en/replication-howto.html
Pesquise por "grant" e você encontrará:
# Grant access rights:
GRANT SELECT, PROCESS, FILE, SUPER, REPLICATION CLIENT, REPLICATION SLAVE, RELOAD ON *.* TO [email protected]'%';
Flush Privileges;