Cron orphan no passwd entry
If cron ever orphans a crontab (typically due to a temporary NSS lookup failure, ie. NIS or LDAP servers unreachable) during startup or following a crontab edit, that crontab will never be reloaded until the crontab is edited again or cron is restarted. Cron logs the following. Oct 31 11:51:01 server.example.com crond[3585]: (root) ORPHAN (no passwd entry) Oct 31 11:51:01 server.example.com