I hope it the right forum to post this topic.

I observed that the message below would appear on /var/log/message on regular time,every 30 minutes. My server is patch up to present. I dont know why it happens. On that server where my DSFW running would experience frequent dead kerberos service and domain services daemon.

Nov 30 17:00:01 aserver /usr/sbin/cron[26684]: (root) CMD (/sbin/killproc -HUP /opt/novell/xad/sbin/krb5kdc)