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This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

Windows 2000

Also called "Win2K" and "W2K," Windows 2000 was a major upgrade to Windows NT 4, launched in early 2000. Available in one client and three server versions, Windows 2000 added support for Plug and Play. It used the same interface as Windows 95/98, but added considerably more features, dialogs and options.

From NT Domains to Active Directory
Windows 2000 supported Active Directory, which replaced NT's domain system and made network administration simpler. This was a major redesign of the directory structure for companies. More stable than NT, Win 2000 was designed to eliminate erroneous replacement of DLLs when applications were installed (see DLL hell).

Windows 2000 Advanced Server was similar to Windows NT Server, Enterprise Edition, which supported clustering and automatic failover in the event of a system failure. Windows 2000 DataCenter Server supported more advanced clustering and was the top server offering. Windows 2000 Professional was the client version. See Windows, Windows Server 2003, Windows NT, Windows XP, Active Directory and Plug and Play.

Windows 2000                 SMPVersion              Use     Support  RAM

 Professional         Client           2GB

 Server               Server  4-way    2GB
 Advanced Server*     Server  8-way    8GB
 DataCenter Server*   Server  32-way  64GB

 *Supports clustering, failover
   and load balancing
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Based on its work for a dozen early W2K adopters - most of them banks and financial institutions - ImagoQA believes it has unearthed all the principal migration problems.
"We have found that infrastructure server mappings are often different between NT and W2K and when DLLs (Dynamic Link libraries) are unregistered in W2K, many components for custom applications are therefore missing for dependent applications,"
The previous version 2.8 won the year 2001 W2K News Target Award for #1 Print Management Product of the Year.
Can you really see this scenario healing W2K [extreme weather in the Year 2000]?
But supporting Linux with NDS--as well as W2K, among other operating systems--is just the earliest indication that the company is changing strategies yet again.
To start with, according to my research-and-benchmarking friends at The Tolly Group, W2K implements over 60 Internet Engineering Task Force RFCs.
A SURPRISING lack of MS razzmatazz for last week's launch, perhaps because they have realised that W2K is not that much better than W95.
Unfortunately, Kirby notes, none of the IPCC's scenarios "foresees the possibility of anything remotely approaching that." Even the most optimistic response likely to be undertaken by the world's government "would do scarcely anything to dent concentrations." If levels of CO2 production rise to 29 gigatons per year, this would "probably mean the mass death of forests, with the trees releasing the CO2 they had stored up, adding to global warming." The collapse of the Ross Ice Shelf in Antarctica would be "inevitable." [See "W2K: The Extreme Weather Era," page 36.]
In short, the real threat to civilization has turned out to be not Y2K but W2K -- Weather in the Year 2000.