Running Solaris 10.
This is what I checked using your suggestions.
pmconfig = does not show up in ps -ef
sulog = no info the day and time of last crash
last = Mon Sep 18 (most current date).
...
Production server crashes when there is no traffic on it. Can only recover by going to ALOM and reboot the server. This seems to happen about the same time every month. The only good thing is the...