How do cron restart on unix Tru64?

hi all,
How do cron restart on unix Tru64?
because don't run my cron jobs. few days age it's running fine.

I did below steps:

  1. cd /usr/sbin

  2. cron stop
    responce: "! Cron is already running. Exiting... Tue Nov 27 14:38:00 2007"

  3. cron start
    responce: "! Cron is already running. Exiting... Tue Nov 27 14:38:00 2007"

/sbin/rc3.d/s57cron stop and start

Thank you very much. it's running