Windows Server 2003 will soon debut, and IT shops will need to
make the decision whether to upgrade. Windows 2003 presents
perhaps the toughest "Should I bother upgrading?" decision since
the release of Windows NT 3.51. At first glance, Windows
2003—like NT 3.51—seems to offer few new features, and none of
the individual features it does offer are of the type that grab
you by the throat and demand that you have them. But when you
consider these features as a whole, Windows 2003—also like NT
3.51—is appealing even to the most curmudgeonly of current
Windows 2000 Server users.  Consider Windows 2003's stub zones
and conditional forwarding for DNS servers. If you've ever
designed an Active Directory (AD) infrastructure, you understand
the importance of implementing a good, solid DNS infrastructure
before thinking about AD. That DNS infrastructure will need to
store a bunch of information about AD—information that you don't
necessarily want the world to see. Rather than build AD on a
publicly visible DNS server,