This from developerWorks: -
The following list consists of the top ten best practices compiled from numerous common problems that I have seen throughout my technical support years. Most of these issues could easily be prevented by taking these simple precaution steps. So, if you're a WebSphere administrator, this is your must-read!
PS In my own bashful way, I'm now proud to report that those nice people at developerWorks have allowed me to post to the AIM Support Blog as well : -