MaxUserPort – what it is, what it does, when it’s important

What can we say about MaxUserPort that hasn’t already been said? Not a lot, it would seem. He’s a beautiful dancer, perhaps? Ahh, such gentle humour, and nary a kitten drowned anywhere. But TCP port shenanigans are fairly frequently misunderstood, so let’s talk about the very basics of MaxUserPort. NB: This is all pre-Vista behaviour…