I was thinking about what in the land of SIDs themselves needs mentioning above and beyond what was said in my last blog post. Perhaps it's adequately covered already in product documentation, I'm not sure.

Larry Osterman recently did a few posts on the subject which I'd recommend. If there's more that you thirst for after reading these, please do holler and we'll try to mention it at some point.

What is this thing called, SID?
Fun things to do with SIDs
How Exchange's role SIDs work (aka. NT's security on Psychotropic Drugs)