create user foo identified via mysql_old_password; create user bar identified via mysql_old_password; create user baz identified via mysql_old_password; connect(localhost,u1,,test,MASTER_PORT,MASTER_SOCKET); connect fail,localhost,u1; ERROR 28000: Access denied for user 'u1'@'localhost' (using password: NO) connect(localhost,uu2,,test,MASTER_PORT,MASTER_SOCKET); connect fail,localhost,uu2; ERROR HY000: Server is running in --secure-auth mode, but 'uu2'@'localhost' has a password in the old format; please change the password to the new format connect(localhost,uu2,password,test,MASTER_PORT,MASTER_SOCKET); connect fail,localhost,uu2,password; ERROR HY000: Server is running in --secure-auth mode, but 'uu2'@'localhost' has a password in the old format; please change the password to the new format ERROR 28000: Access denied for user 'u1'@'localhost' (using password: NO) ERROR HY000: Server is running in --secure-auth mode, but 'uu2'@'localhost' has a password in the old format; please change the password to the new format ERROR HY000: Server is running in --secure-auth mode, but 'uu2'@'localhost' has a password in the old format; please change the password to the new format delete from mysql.user where plugin = 'mysql_old_password'; flush privileges;