Windows 2000

(redirected from Windows 2000 Advanced Server)
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Windows 2000

(operating system)
(Win2k, W2k, NT5, Windows NT 5.0) An operating system developed by Microsoft Corporation for PCs and servers, as the successor to Windows NT 4.0. Early beta versions were referred to as "Windows NT 5.0". Windows 2000 was officially released on 2000-02-17.

Windows 2000 is most commonly used on Intel x86 and Pentium processors, with a DEC Alpha version rumoured. Unlike Windows NT 4.0, Windows 2000 is not available for PowerPC or MIPS.

Windows 2000's user interface is very similar to Windows 95 or Windows NT 4.0 with integrated Internet Explorer, or to Windows 98.

It is available in four flavours:

- Professional: the client version, meant for desktop workstations, successor to Windows NT Workstation.

- Server: "entry-level" server, designed for small deployments, and departmental file, print, or intranet servers.

- Advanced Server: high throughput, larger scale servers and applications, and small to medium scale websites.

- Data Center Server: software for large-scale server clusters (in development as of 2000-03-14).

New features in Windows 2000 include:

- Active Directory.

- Greatly improved built-in security mechanisms, including Kerberos-based authentication, public key support, an encrypting file system, and IPsec support.

- Integrated web browser - Internet Explorer 5.0.

- Integrated web server - IIS 5.0

- Terminal services for displaying application interfaces on remote computers (similar to X-Windows).

- File protection that prevents user programs from accidentally deleting or overwriting critical system files.

- Improved hardware support, including Plug-and-Play, DVD, IEEE-1394 (FireWire), USB, infra-red, PCMCIA, ACPI, laptop computers.

- Improved user interface, including a single point to control the entire system.

- Improved management tools, including remote administration.

Minimum system requirements, according to Microsoft, are Pentium-133 MHz CPU, 64 MB RAM, 650 MB of hard disk space. These are for W2K Professional, others require more.

Many operating systems compete with Windows 2000, including the Apple MacOS, Linux, FreeBSD, OpenBSD, NetBSD, Sun Solaris, IBM AIX, Hewlett-Packard HP-UX, SGI Irix. Novell's NDS also provides a service similar to Active Directory.

Windows 2000 will be followed by Windows XP Professional and Windows 2002.

http://microsoft.com/windows2000/.

Usenet newsgroups: news:microsoft.public.windows2000, news:comp.os.ms-windows.

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).

Versions
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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PC manufacturers are now preinstalling the Windows 2000 operating system on custom-built PCs and servers and Windows 2000 Professional, Windows 2000 Server and Windows 2000 Advanced Server are being preinstalled on business desktops, notebooks and servers.
The Cluster Service in Windows 2000, formerly known as WolfPack, not only offers 8:1 failover (any one of eight CPUs can jump-start an NT process in the event that one fails), but also two-node clustering and rolling upgrades of both Windows NT Enterprise Edition, Windows 2000 Advanced Server, and Windows 2000 Datacenter Server.
More recently, Diskeeper became the first defragmenter to receive Microsoft certification for Windows 2000 Advanced Server and for Windows 2003 Enterprise Edition, these advanced level certifications require stringent testing and compatibility with Windows clustering.
These enterprise-level servers that require the power of Windows Server 2003 Enterprise Edition or Windows 2000 Advanced Server have unique defragmentation needs, which is why Diskeeper developers created the Terabyte Volume Engine included with Diskeeper 9 Server Enterprise Edition.