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Hub AI
Windows 2000 AI simulator
(@Windows 2000_simulator)
Hub AI
Windows 2000 AI simulator
(@Windows 2000_simulator)
Windows 2000
Windows 2000 is a major release of the Windows NT operating system developed by Microsoft, targeting the server and business markets. It is the direct successor to Windows NT 4.0, and was released to manufacturing on December 15, 1999, and then to retail on February 17, 2000 for all versions, with Windows 2000 Datacenter Server being released to retail on September 26, 2000.
Windows 2000 introduces NTFS 3.0, Encrypting File System, and basic and dynamic disk storage. Support for people with disabilities is improved over Windows NT 4.0 with a number of new assistive technologies, and Microsoft increased support for different languages and locale information. The Windows 2000 Server family has additional features, most notably the introduction of Active Directory, which in the years following became a widely used directory service in business environments. Although not present in the final release, support for Alpha (which was a 64-bit platform but only distributed as a 32-bit OS) was present in its alpha, beta, and release candidate versions. Its successor, Windows XP, only supports x86, x64 and Itanium processors. Windows 2000 was also the first NT release to drop the "NT" name from its product line.
Four editions of Windows 2000 have been released: Professional, Server, Advanced Server, and Datacenter Server; the latter of which was launched months after the other editions. While each edition of Windows 2000 is targeted at a different market, they share a core set of features, including many system utilities such as the Microsoft Management Console and standard system administration applications.
Microsoft marketed Windows 2000 as the most secure Windows version ever at the time; however, it became the target of a number of high-profile virus attacks such as Code Red and Nimda. Windows 2000 was succeeded by Windows XP a little over a year and a half later on October 2001 while Windows 2000 Server was succeeded by Windows Server 2003 more than three years after its initial release on April 2003. For ten years after its release, it continued to receive patches for security vulnerabilities nearly every month until reaching the end of support on July 13, 2010, the same day that support ended for Windows XP SP2.
Both the original Xbox and the Xbox 360 use a modified version of the Windows 2000 kernel as their system software; the former's source code was leaked in 2020.
Windows 2000, originally named Windows NT 5.0, is a continuation of the Microsoft Windows NT family of operating systems, replacing Windows NT 4.0. Chairman and CEO Bill Gates was originally "pretty confident" Windows NT 5.0 would ship in the first half of 1998, revealing that the first set of beta builds had been shipped in early 1997; these builds were identical to Windows NT 4.0. The first official beta was released in September 1997, followed by Beta 2 in August 1998. On October 27, 1998, Microsoft announced that the name of the final version of the operating system would be Windows 2000, a name which referred to its projected release date. Windows 2000 Beta 3 was released in May 1999. Windows NT 5.0 Beta 1 was similar to Windows NT 4.0, including a very similarly themed logo. Windows NT 5.0 Beta 2 introduced a new 'mini' boot screen, and removed the 'dark space' theme in the logo. The Windows NT 5.0 betas had very long startup and shutdown sounds, though these were changed in the early Windows 2000 beta, but during Beta 3, a new piano-made startup and shutdown sounds were made, composed by Steven Ray Allen. It was featured in the final version as well as in Windows Me. The new login prompt from the final version made its first appearance in Beta 3 build 1946 (the first build of Beta 3). The new, updated icons (for My Computer, Recycle Bin etc.) first appeared in Beta 3 build 1964. The Windows 2000 boot screen in the final version first appeared in Beta 3 build 1983. Windows 2000 did not have an actual codename because, according to Dave Thompson of Windows NT team, "Jim Allchin didn't like codenames". Service Pack 1 for Windows 2000 was codenamed "Asteroid".
During development, builds for the Alpha architecture were compiled, but the project was abandoned in the final stages of development (between RC1 and RC2) after Compaq announced they had dropped support for Windows NT on Alpha. The Alpha 64-bit builds of Windows 2000 were also in development simultaneously with the 32-bit versions (versions of Windows NT for Alpha were 32-bit only due to it using 32-bit application binary interfaces on an otherwise 64-bit processor) until it to was discontinued; development of Windows for Alpha 64-bit continued on for some time as a development platform for the 64-bit Intel Itanium platform when no other Itanium hardware was available at the time. From here, Microsoft issued three release candidates between July and November 1999, and finally released the operating system to partners on December 12, 1999, followed by manufacturing three days later on December 15. The public could buy the full version of Windows 2000 on February 17, 2000. Three days before this event, which Microsoft advertised as "a standard in reliability," a leaked memo from Microsoft reported on by Mary Jo Foley revealed that Windows 2000 had "over 63,000 potential known defects." After Foley's article was published, she claimed that Microsoft blacklisted her for a considerable time. However, Abraham Silberschatz et al. claim in their computer science textbook that "Windows 2000 was the most reliable, stable operating system Microsoft had ever shipped to that point. Much of this reliability came from maturity in the source code, extensive stress testing of the system, and automatic detection of many serious errors in drivers." InformationWeek summarized the release "our tests show the successor to Windows NT 4.0 is everything we hoped it would be. Of course, it isn't perfect either." Wired News later described the results of the February launch as "lackluster." Novell criticized Microsoft's Active Directory, the new directory service architecture, as less scalable or reliable than its own Novell Directory Services (NDS) alternative.
Windows 2000 was initially planned to replace both Windows 98 and Windows NT 4.0. However, this would be changed later, as an updated version of Windows 98 called Windows 98 Second Edition was released in 1999.
Windows 2000
Windows 2000 is a major release of the Windows NT operating system developed by Microsoft, targeting the server and business markets. It is the direct successor to Windows NT 4.0, and was released to manufacturing on December 15, 1999, and then to retail on February 17, 2000 for all versions, with Windows 2000 Datacenter Server being released to retail on September 26, 2000.
Windows 2000 introduces NTFS 3.0, Encrypting File System, and basic and dynamic disk storage. Support for people with disabilities is improved over Windows NT 4.0 with a number of new assistive technologies, and Microsoft increased support for different languages and locale information. The Windows 2000 Server family has additional features, most notably the introduction of Active Directory, which in the years following became a widely used directory service in business environments. Although not present in the final release, support for Alpha (which was a 64-bit platform but only distributed as a 32-bit OS) was present in its alpha, beta, and release candidate versions. Its successor, Windows XP, only supports x86, x64 and Itanium processors. Windows 2000 was also the first NT release to drop the "NT" name from its product line.
Four editions of Windows 2000 have been released: Professional, Server, Advanced Server, and Datacenter Server; the latter of which was launched months after the other editions. While each edition of Windows 2000 is targeted at a different market, they share a core set of features, including many system utilities such as the Microsoft Management Console and standard system administration applications.
Microsoft marketed Windows 2000 as the most secure Windows version ever at the time; however, it became the target of a number of high-profile virus attacks such as Code Red and Nimda. Windows 2000 was succeeded by Windows XP a little over a year and a half later on October 2001 while Windows 2000 Server was succeeded by Windows Server 2003 more than three years after its initial release on April 2003. For ten years after its release, it continued to receive patches for security vulnerabilities nearly every month until reaching the end of support on July 13, 2010, the same day that support ended for Windows XP SP2.
Both the original Xbox and the Xbox 360 use a modified version of the Windows 2000 kernel as their system software; the former's source code was leaked in 2020.
Windows 2000, originally named Windows NT 5.0, is a continuation of the Microsoft Windows NT family of operating systems, replacing Windows NT 4.0. Chairman and CEO Bill Gates was originally "pretty confident" Windows NT 5.0 would ship in the first half of 1998, revealing that the first set of beta builds had been shipped in early 1997; these builds were identical to Windows NT 4.0. The first official beta was released in September 1997, followed by Beta 2 in August 1998. On October 27, 1998, Microsoft announced that the name of the final version of the operating system would be Windows 2000, a name which referred to its projected release date. Windows 2000 Beta 3 was released in May 1999. Windows NT 5.0 Beta 1 was similar to Windows NT 4.0, including a very similarly themed logo. Windows NT 5.0 Beta 2 introduced a new 'mini' boot screen, and removed the 'dark space' theme in the logo. The Windows NT 5.0 betas had very long startup and shutdown sounds, though these were changed in the early Windows 2000 beta, but during Beta 3, a new piano-made startup and shutdown sounds were made, composed by Steven Ray Allen. It was featured in the final version as well as in Windows Me. The new login prompt from the final version made its first appearance in Beta 3 build 1946 (the first build of Beta 3). The new, updated icons (for My Computer, Recycle Bin etc.) first appeared in Beta 3 build 1964. The Windows 2000 boot screen in the final version first appeared in Beta 3 build 1983. Windows 2000 did not have an actual codename because, according to Dave Thompson of Windows NT team, "Jim Allchin didn't like codenames". Service Pack 1 for Windows 2000 was codenamed "Asteroid".
During development, builds for the Alpha architecture were compiled, but the project was abandoned in the final stages of development (between RC1 and RC2) after Compaq announced they had dropped support for Windows NT on Alpha. The Alpha 64-bit builds of Windows 2000 were also in development simultaneously with the 32-bit versions (versions of Windows NT for Alpha were 32-bit only due to it using 32-bit application binary interfaces on an otherwise 64-bit processor) until it to was discontinued; development of Windows for Alpha 64-bit continued on for some time as a development platform for the 64-bit Intel Itanium platform when no other Itanium hardware was available at the time. From here, Microsoft issued three release candidates between July and November 1999, and finally released the operating system to partners on December 12, 1999, followed by manufacturing three days later on December 15. The public could buy the full version of Windows 2000 on February 17, 2000. Three days before this event, which Microsoft advertised as "a standard in reliability," a leaked memo from Microsoft reported on by Mary Jo Foley revealed that Windows 2000 had "over 63,000 potential known defects." After Foley's article was published, she claimed that Microsoft blacklisted her for a considerable time. However, Abraham Silberschatz et al. claim in their computer science textbook that "Windows 2000 was the most reliable, stable operating system Microsoft had ever shipped to that point. Much of this reliability came from maturity in the source code, extensive stress testing of the system, and automatic detection of many serious errors in drivers." InformationWeek summarized the release "our tests show the successor to Windows NT 4.0 is everything we hoped it would be. Of course, it isn't perfect either." Wired News later described the results of the February launch as "lackluster." Novell criticized Microsoft's Active Directory, the new directory service architecture, as less scalable or reliable than its own Novell Directory Services (NDS) alternative.
Windows 2000 was initially planned to replace both Windows 98 and Windows NT 4.0. However, this would be changed later, as an updated version of Windows 98 called Windows 98 Second Edition was released in 1999.