[CentOS] When openldap fails to start, can not login as root

Hi,
I have a problem that when my slapd fails to start, I can no longer
login via ssh as a user that is in /etc/passwd

How can I solve this? Editing /etc/nsswitch.conf o pam.d/ ?

Many Thanks
Oliver

-- 
Oliver Schulze L.
<oliver at samera.com.py>