Root password problem

Hi, i tried to promote a xserve 10.4.8 to replica of my domain but i had this problem. 2007-01-15 09:50:20 +0100 - slapconfig -setmacosxodpolicy 2007-01-15 09:50:20 +0100 - slapconfig -createreplica 2007-01-15 09:50:21 +0100 - command: ssh root@presidenza.intraenea.net /usr/sbin/slapconfig -checkmaster diradmin 0 3 3 2007-01-15 09:50:45 +0100 - ssh command failed with status 255 Now i try to connect in ssh by root to OD Master but the root's password is incorrect; I change it by WGM and terminal with sudo passwd but nothing, i can't log by root !! Do you have any idea ? Thanks and excuse me for my english :)