That is a file server and intranet server you're talking about. I'm talking about the type of server which most people around here think of when they contemplat

That is a file server and intranet server you're talking about. I'm talking about the type of server which most people around here think of when they contemplate the word 'server' - an internet-facing server, often living in a herd of such in some remote facility. Running Windows NT and its successors for file and domain services is doable and probably a good choice for those who have standardised their office environment on everything Microsoft. Outside of that environment, not so much.