I spent a lot of time spinning wheels on this. I started with the standard Startup script, massaged it, renamed it, put diagnostic lines it it, and finally put delays (sleep) at the start of it, which eventually made it work 4 out of 5 times on reboot. When it fails, an immediate startup by hand would always work. In the end I stopped trying to use SGE via StartupItems, and now run a cron job, which if the sge process is not running start it -> no more problems, its always running on the client. FWIW, I did even try the PBS startup script in test mode, which never fails, so I still do not know why SGE startup fails randomly. Barry barry.j.mcinnes at noaa.gov