Edit the file /etc/ldap.conf
# Reconnect policy: hard (default) will retry connecting to
# the software with exponential backoff, soft will fail
# immediately.
#bind_policy hard
bind_policy soft
When it’s set to hard, the system looks like it’s hung (usually at Starting Udev), but it fact, it’s booting very, very slowly. If very impatient, can use a linux rescue to boot to be able to edit /etc/ldap.conf.