* Windows 2000 or later, CE, Mobile

Then Windows 2000 Server edition, and revised to extend functionality and improve administration in Windows Server 2003.

Operating systems that supported Alpha included OpenVMS ( previously known as OpenVMS AXP ), Tru64 UNIX ( previously known as DEC OSF / 1 AXP and Digital UNIX ), Windows NT ( until 4. 0 SP6 and Windows 2000 RC1 ), GNU / Linux ( Debian GNU / Linux, Gentoo Linux and Red Hat Linux ), BSD UNIX ( NetBSD, OpenBSD and FreeBSD up to 6. x ), as well as the L4Ka :: Pistachio kernel.

A Microsoft Windows ( 2000 or newer ) port was made available starting with the 2. 2. 0 series.

In hindsight, Cairo was a much more difficult project than Microsoft had anticipated and, as a result, NT and Chicago would not be unified until Windows XP — albeit Windows 2000, oriented to business, had already unified most of the system ’ s bolts and gears, it was XP that was sold to home consumers like Windows 95 and came to be viewed as the final unified OS.

This problem plagued the NT line all the way through Windows 2000.

Microsoft released Windows 2000 in February 2000.

Windows 2000 is also the last NT-kernel Windows operating system to lack product activation.

While Windows 2000 upgrades were available for Windows 95 and Windows 98, it was not intended for home users.

Windows 2000 was available in six editions:

* Windows 2000 Professional

* Windows 2000 Server

* Windows 2000 Advanced Server

* Windows 2000 Datacenter Server

* Windows 2000 Datacenter Server Limited Edition

In September 2000, Microsoft introduced Windows Me ( Millennium Edition ), which upgraded Windows 98 with enhanced multimedia and Internet features from Windows 2000.

* Formats with lossless compression, such as FLAC, Monkey's Audio ( filename extension APE ), WavPack ( filename extension WV ), TTA, ATRAC Advanced Lossless, Apple Lossless ( filename extension m4a ), MPEG-4 SLS, MPEG-4 ALS, MPEG-4 DST, Windows Media Audio Lossless ( WMA Lossless ), and Shorten ( SHN ).

Netware dominated the personal computer LAN business from early after its introduction in 1983 until the mid 1990s when Microsoft introduced Windows NT Advanced Server and Windows for Workgroups.

Four editions of Windows 2000 were released: Professional, Server, Advanced Server, and Datacenter Server.

Additionally, Microsoft sold Windows 2000 Advanced Server Limited Edition and Windows 2000 Datacenter Server Limited Edition, which ran on 64-bit Intel Itanium microprocessors and they were released in 2001.

The default file formats are Windows Media Video ( WMV ), Windows Media Audio ( WMA ), and Advanced Systems Format ( ASF ), and its own XML based playlist format called Windows Playlist ( WPL ).

In Windows XP, it uses VMR7 by default, but can also be made to use the more advanced YUV mixing mode by enabling the " Use high quality mode " option in Advanced Performance settings.

* Advanced Stream Redirector, a computer file format listing Windows Media files (< tt >. asx </ tt >)

* Advanced Systems Format ( formerly " Advanced Streaming Format ", ), a Microsoft streaming format associated with Windows Media Player.

The Advanced Profile in VC-1 is implemented in a new WMV codec called Windows Media Video 9 Advanced Profile.

The Advanced Stream Redirector ( ASX ) format is a type of XML metafile designed to store a playlist of Windows Media files for a multimedia presentation.

GSF files can be played on the Windows platform using Nullsoft's Winamp and the Highly Advanced plugin.

( In Windows you could go to My Computer, open Tools on the explorer window, choose Folder Options, then File Types, select a file type, click on Advanced and select an icon to be associated with that file type.

Rockstar Games have developed their own game engine called the Rockstar Advanced Game Engine ( RAGE ) to facilitate game development on the PlayStation 3, Xbox 360, Windows, Mac and Wii systems.

* Windows Advanced Rasterization Platform, a Direct3D 10. 1 software rasterizer to be included in Windows 7 and Windows Vista

* Advanced Stream Redirector ( ASX ) and Windows Media Playlist ( WPL )

Tridgell was a major developer of the Samba software, analysing the Server Message Block protocol used for workgroup and network file sharing by Microsoft Windows products.

It is included in most Windows Server operating systems.

Additional improvements were made in Windows Server 2003 R2, Windows Server 2008 and Windows Server 2008 R2, and with the release of the latter the domain controller role was renamed Active Directory Domain Services.

* Enabling International Support in Windows XP / Server 2003 Family, a Microsoft tutorial on how to install input methods on Windows XP.

* CNG API in Windows Vista and Windows Server 2008 with managed wrappers for CNG in. NET Framework 3. 5

Microsoft announced that they have discontinued the separate release of WinFS for Windows XP and Windows Vista and will gradually incorporate the technologies developed for WinFS in other products and technologies, notably Microsoft SQL Server.

* Windows NT 4. 0 Server

* Windows NT 4. 0 Server, Enterprise Edition ( includes support for 8-way SMP and clustering )

* Windows NT 4. 0 Terminal Server

Amongst Windows 2000's most significant new features was Active Directory, a near-complete replacement of the NT 4. 0 Windows Server domain model, which built on industry-standard technologies like DNS, LDAP, and Kerberos to connect machines to one another.