I'm new to networking, but have had wonderful success with this operating system on my home network. Rather intuitive for the most part.I have a mixed environment of clients: NT 4.0, and Win2k Professional. Getting everything running was easy. The Server wizards help tremendously - - especially for newbies like myself.
I'm still learning quite a bit almost daily. I have SQL 7.0 running, my own web server (IIS), and Microsoft Exchange 5.5.
Very stable operating system. Great security. Great interface.
I'm especially fond of the support for: USB devices, plug-and-play, and Advanced Configuration and Power Interface (allows the computer to hibernate/power down devices). Another great feature is the sharing of IRQ's. That made me nervous at first, since normally devices didn't IRQ's (interrupt addresses) well in earlier versions of Windows.
One piece of advice: don't install anything that isn't certified or isn't created to run on Windows 2000 Server. Although the operating system is tolerant, an errant piece of hardware or software could create more headaches than you may be ready for.
IIS (Internet Information Services) is included - which allows you to host your own web server. ASP (Active Server Pages) - a feature of IIS allows you to program interactivity in your web pages - - bringing them to life.