Ken we have been stable since last batch of releases.HDS mail is doing well and will add OAT again next week.Dan O says he has had no problem other then the Drive rebuild. Ken wrote: Sorry to be a bit vague butI have just updated my servers to the latest beta releases. Since upgrading the mailserver has quite 4 times with a type 1 system error. Sorry no crash logs as the mac has no macsbug. Any other sysops have this prob.... \|/ (@ @)