All windows 2000 service packs

Windows 2000 was a modernization of Windows NT 4.0 which brought many of the desktop changes, including Active Desktop, to Microsoft’s Windows NT line. Four editions of Windows 2000 were released, Professional, Server, Advanced Server, Datacenter Server. Improvements over NT 4.0 include new Accessibility Options, increased language and locale support, NTFS 3.0, the Encrypting File System and Active Directory. Windows 2000 was first planned to replace both Windows 98 and Windows NT 4.0 although using the NT kernel for consumer and professional editions would not happen until Windows 2000’s successor, Windows XP.

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Windows 2000

Microsoft Windows 2000
Codename Preliminary name	NT 5.0
Kernel version	NT 5.0
CPU architecture	x86, IA-64
Release date	17/02/2000
Support end	Expired 13/07/2010
Preceded by	Windows NT 4.0
Succeeded by	Neptune / Windows XP

Windows 2000, also known as Windows NT 5.0, was the last version of the Windows NT line of operating systems which was released for business users only and succeeded Windows NT 4.0. It is still branded with «Based on NT Technology», possibly to prevent confusion with the 9x line (which was also named after the year of release at that time). This was done between Beta 2 and 3 stages, somewhere between builds 1911.1 and 1946.1. Extended support ended in 2010. It is the last version of Windows NT to include NT in its product name.

Editions

Windows 2000 was released in Workstation (Professional) and Server (Advanced Server, Datacenter Server, Server) editions.

Information about each edition borrowed from Wikipedia, the free encyclopedia.

Professional

It is the client version of Windows 2000. It offers greater security and stability than many of the previous Windows desktop operating systems. It supports up to two processors and can address up to 4 GB of RAM. The system requirements are a Pentium processor (or equivalent) of 133 MHz or greater, at least 32 MB of RAM, 650 MB of hard drive space, and a CD-ROM drive (recommended: Pentium II, 128 MB of RAM, 2 GB of hard drive space, and CD-ROM drive).

Server

It shares the same user interface with Windows 2000 Professional but contains additional components for the computer to perform server roles and run infrastructure and application software. A significant new component introduced in the server versions is Active Directory, which is an enterprise-wide directory service based on LDAP. Additionally, Microsoft integrated Kerberos network authentication, replacing the often-criticised NTLM authentication system used in previous versions. This also provided a purely transitive-trust relationship between Windows 2000 domains in a forest (a collection of one or more Windows 2000 domains that share a common schema, configuration, and global catalog, being linked with two-way transitive trusts). Furthermore, Windows 2000 introduced a Domain Name Server which allows dynamic registration of IP addresses. Windows Server 2000 supports up to 4 processors, requires 128 MB of RAM and 1 GB hard disk space, however requirements may be higher depending on installed components.

Advanced Server

It is a variant of Windows Server 2000 operating system designed for medium-to-large businesses. It offers clustering infrastructure for high availability and scalability of applications and services, including main memory support of up to 8 gigabytes (GB) on Physical Address Extension (PAE) systems and the ability to do 8-way SMP. It supports TCP/IP load balancing and enhanced two-node server clusters based on the Microsoft Cluster Server (MSCS) in Windows NT Server 4.0 Enterprise Edition. Limited number of copies of an IA-64 version, called Windows Advanced Server 2000, Limited Edition were made available via OEMs. System requirements are similar to those of Windows Server 2000 however, they may need to be higher to scale to larger infrastructure.

Datacenter Server

It is a variant of Windows Server 2000 designed for large businesses that move large quantities of confidential or sensitive data frequently via a central server. Like Advanced Server, it supports clustering, failover and load balancing. Its minimum system requirements are normal, but it was designed to be capable of handling advanced, fault-tolerant and scalable hardware—for instance computers with up to 32 CPUs and 64 GBs RAM, with rigorous system testing and qualification, hardware partitioning, coordinated maintenance and change control. A limited number of copies of an IA-64 version of Windows Server 2000, called Windows Datacenter Server 2000 Limited Edition were made available via OEMs. System requirements are similar to those of Windows Advanced Server 2000 however, they may need to be higher to scale to larger infrastructure.

Service Packs

In all, there were four service packs released for Windows 2000. All are considered as abandonware as of 2013.

Service Pack 1

Service Pack 1 was released on 15 August 2000.

Service Pack 2

Service Pack 2 was released on 16 May 2001.

Service Pack 3

Service Pack 3 was released on 29 August 2002.

Service Pack 4

Service Pack 4 was released on 26 June 2003.

Update Rollup 1

Update Rollup 1 for Service Pack 4 is a collection of hotfixes, mainly for the security-related issues. It is said to contain all the security-related hotfixes and some non-security updates released between SP4 and UR1 for SP4. This rollup has been released instead of Service Pack 5. [1]

Microsoft also planned to release Service Pack 5, but it was canceled and the Update Rollup 1 for Service Pack 4 was released instead. [2]

Builds

Pre-Beta

• Windows NT 5.0 Build 1515.1
• Windows NT 5.0 Build 1516.1
• Windows NT 5.0 Build 1575.1
• Windows NT 5.0 Build 1580.1
• Windows NT 5.0 Build 1585.1
• Windows NT 5.0 Build 1592.1
• Windows NT 5.0 Build 1597.1
• Windows NT 5.0 Build 1627.1
• Windows NT 5.0 Build 1631.1
• Windows NT 5.0 Build 1645.1
• Windows NT 5.0 Build 1661.1

Beta 1

• Windows NT 5.0 Build 1671.1 — Official Beta 1
• Windows NT 5.0 Build 1691.1
• Windows NT 5.0 Build 1701.1
• Windows NT 5.0 Build 1717.1
• Windows NT 5.0 Build 1723.1
• Windows NT 5.0 Build 1729.1
• Windows NT 5.0 Build 1738.1
• Windows NT 5.0 Build 1743.1
• Windows NT 5.0 Build 1745.1

Interim Developer Release

• Windows NT 5.0 Build 1773.1
• Windows NT 5.0 Build 1796.1

Beta 2

• Windows NT 5.0 Build 1814.1
• Windows NT 5.0 Build 1816.1
• Windows NT 5.0 Build 1828.1
• Windows NT 5.0 Build 1835.1
• Windows NT 5.0 Build 1848.1
• Windows NT 5.0 Build 1855.1
• Windows NT 5.0 Build 1859.1
• Windows NT 5.0 Build 1868.1
• Windows NT 5.0 Build 1877.1 — Official Beta 2
• Windows NT 5.0 Build 1902.1
• Windows NT 5.0 Build 1906.1

Beta 3

• Windows NT 5.0 Build 1911.1
• Windows NT 5.0 Build 1916.1
• Windows NT 5.0 Build 1930.1
• Windows NT 5.0 Build 1946.1 — Official Beta 3 Release Candidate 0
• Windows NT 5.0 Build 1952.1
• Windows NT 5.0 Build 1964.1
• Windows NT 5.0 Build 1965.1
• Windows NT 5.0 Build 1969.1
• Windows NT 5.0 Build 1976.1
• Windows NT 5.0 Build 1983.1
• Windows NT 5.0 Build 1989.1
• Windows NT 5.0 Build 1993.1
• Windows NT 5.0 Build 1994.1
• Windows NT 5.0 Build 1996.1
• Windows NT 5.0 Build 1999.1
• Windows NT 5.0 Build 2000.1
• Windows NT 5.0 Build 2000.3 — Official Beta 3 Release Candidate 1
• Windows NT 5.0 Build 2016.1
• Windows NT 5.0 Build 2020.1
• Windows NT 5.0 Build 2031.1 — Official Beta 3
• Windows NT 5.0 Build 2035.1
• Windows NT 5.0 Build 2040.1
• Windows NT 5.0 Build 2042.1
• Windows NT 5.0 Build 2068.0

Release Candidate 1

• Windows 2000 Build 2072.1
• Windows 2000 Build 2091.1
• Windows 2000 Build 2092.1
• Windows 2000 Build 2124.1

Release Candidate 2

• Windows 2000 Build 2128.1
• Windows 2000 Build 2151.1
• Windows 2000 Build 2167.1
• Windows 2000 Build 2183.1

RTM

• Windows 2000 Build 2195.1

SP1 RTM

• Windows 2000 Build 2195.1620

SP2 RTM

• Windows 2000 Build 2195.2951

SP3 RTM

• Windows 2000 Build 2195.5438

SP4 RTM

• Windows 2000 Build 2195.6717

Small Business Server Beta

• Windows 2000 Build 1059.0

Windows 2000

Version of Microsoft Windows
OS family	Windows NT
Version	5.0
Preliminary name	Windows NT 5.0
Architecture	x86
Latest build	5.0.2195.6717 (Service Pack 4)
Release date	2000-02-17
Support end	2010-07-13
Replaces
Windows NT 4.0
Replaced by
Windows XP Windows Server 2003

Windows 2000 (known as Windows NT 5.0 during development) is an NT-based version of Windows released by Microsoft that succeeded Windows NT 4.0. It reached general availability on 17 February 2000 after releasing to manufacturing two months prior on 15 December 1999. It is the fifth operating system in the Windows NT operating system line. Even though Windows 2000 is intended mainly for use in businesses and the consumer market was targeted by Windows Me, many home users installed Windows 2000 Professional at the time due to the highly significant issues that plagued Windows Me. Windows 2000 was ultimately replaced by Windows XP and Windows Server 2003.

During the course of its support, four Service Packs and an update rollup were released for Windows 2000. Microsoft had originally intended to release a fifth service pack for Windows 2000, but eventually canceled it, and instead released the Update Rollup 1 for Windows 2000 Service Pack 4 in 2005, which is a collection of all the security-related hotfixes and some other significant issues. The Update Rollup does not include all non-security related hotfixes and is not subjected to the same extensive regression testing as a proper service pack.

Mainstream support for Windows 2000 ended on 30 June 2005 and extended support ended on 13 July 2010, over ten years after its release.

Name[edit | edit source]

Prior to the final announcement, Windows 2000 was called Windows NT 5.0 in both marketing materials and the operating system builds themselves. On 27 October 1998, Microsoft announced the renaming of the Windows NT 5.0 product line to Windows 2000, which according to Microsoft reflects the growing mainstream role of Windows NT.^[1] The name continues the year-based naming scheme for consumer-oriented versions of Windows, which started with Windows 95. This reflected the initial plan for Windows 2000 to succeed both the consumer-oriented Windows 98 and business-oriented Windows NT 4.0 operating systems. However, in the end, Windows Millennium Edition was released to succeed Windows 98, which led to confusion between the two. Due to the removal of the NT moniker, Windows 2000 branding often included the «Built on NT Technology» tagline to clear out doubts.

An internal Microsoft presentation released during the U.S. v. Microsoft trial titled «Windows Launch Review» from 21 November 1997 briefly discusses naming options of the workstation edition.^[2] According to the document, Microsoft considered the following names:

• Windows NT Workstation 5.0
• Windows NT Client 5.0
• Windows NT Desktop 5.0
• Windows NT 5.0
• Windows 99/2000

Editions[edit | edit source]

There are 4 major editions of Windows 2000. One of the server editions, Windows Small Business Server 2000, is technically considered a separate version. Files from the IA-64 compile of Windows Server 2003 build 2462 show a «Windows 2000 Personal» login banner, which indicates that such edition could also have been in planning. The Datacenter Server SKU was not available for Retail, as it was OEM-only. A version of Windows 2000 Advanced Server made mainly for network-attached storage devices (abbreviated as NAS) is known as Windows Powered. Windows Powered can only be obtained using a utility created by Microsoft — known as Microsoft Server Appliance Kit — that converts Advanced Server to Powered. An MSDN release was sent out to people who wished to evaluate Powered, but an update was pushed out to revert the branding back to Advanced Server.

• Windows 2000 Professional
• Windows 2000 Server
• Windows 2000 Advanced Server
• Windows 2000 Datacenter Server

IA-64 edition[edit | edit source]

An IA-64 edition of Windows 2000 was also in the planning stages. A banner for Windows 2000 Personal 64-Bit Edition was found within the aforementioned build 2462, suggesting an IA-64 edition was also in the works before it was scrapped and instead continued to be developed to become Windows XP 64-Bit Edition. This version was intended for Itanium 64-bit processors rather than AMD64, which was not introduced until 2005. It was also rumored that IA-64 builds of Windows 2000 would be sent out to OEMs which work with IA-64 processors such as Fujitsu-Siemens, but not much is known about these alleged builds, nor has anything leaked in relation to these alleged builds.^[3]

The IA-64 edition of Windows 2000 was codenamed Janus and was shown off at the Las Vegas Convention Center in 2000. It was also stated that it had been in development for three years by this point, suggesting development started at some point in 1997. The OS also had a slated release date of sometime before the end of 2000, intended to coincide with Intel’s launching of the IA-64 architecture.^[4]

Source code leak[edit | edit source]

In early 2004, a portion of the Windows 2000 source code leaked online, together with the source code of Windows NT 4.0.^[5] The source of the leak was traced to Mainsoft, the developer of MainWin, an application that allowed developers to port existing Windows programs to Unix systems, whose development required access to selected portions of Windows source code under Windows Interface Source Environment program.^[6] In response, Microsoft released the following statement:

On Thursday, February 12, Microsoft became aware that portions of the Microsoft Windows 2000 and Windows NT 4.0 source code were illegally made available on the Internet. Subsequent investigation has shown this was not the result of any breach of Microsofts corporate network or internal security, nor is it related to Microsofts Shared Source Initiative or its Government Security Program, which enable our customers and partners, as well as governments, to legally access Microsoft source code. Microsoft reaffirms its support for both the Shared Source Initiative and the Government Security Program.

Microsoft continues to work closely with the U.S. Federal Bureau of Investigation and other law enforcement authorities on this matter. Microsoft source code is both copyrighted and protected as a trade secret. As such, it is illegal to post it, make it available to others, download it or use it. Microsoft will take all appropriate legal actions to protect its intellectual property. These actions include communicating both directly and indirectly with those who possess or seek to possess, post, download or share the illegally disclosed source code.

Specifically, Microsoft is sending letters explaining to individuals who have already downloaded the source code that such actions are in violation of the law. Additionally, Microsoft has instituted the use of alerts on several peer-to-peer clients where such illegal sharing of the source code has taken place. These alerts are designed to inform any user who conducts specific searches on these networks to locate and download the source code that such activity is illegal.

Questions about the ongoing investigation should be referred to the FBI.

— Microsoft Corporation^[7]

Despite the warnings, the archive containing the leaked code spread widely on the file-sharing networks and, even later, on open-source repository websites. On 16 February 2004, an exploit allegedly discovered by an individual studying the leaked source code for certain versions of Microsoft Internet Explorer was reported. On 15 April 2015, a repository containing the leaked NT 4.0 source code was removed from GitHub at Microsoft’s request,^[8] although other repositories hosting the Windows 2000 source code continued to exist in the same website; most of them were taken down by Microsoft’s request on 9 April 2021.^[9]

System requirements[edit | edit source]

Microsoft recommends that Windows 2000 should be installed on a system with at least a Pentium 133 MHz processor, 64 MB of RAM (128 MB for Server), 650 MB of hard drive space (1 GB for Server), and a VGA or better display.^[10] Windows NT 3.51 or Windows 95 is now needed to upgrade to Windows 2000.

Despite Microsoft’s recommendation, it is possible to install Windows 2000 on a 486 processor with as low as 32 MB of RAM.

List of known builds[edit | edit source]

Distributed Services Technology Preview[edit | edit source]

During the November 1996 edition of Microsoft’s Professional Developers Conference, the company released the Distributed Services Technology Preview, a backport of various components (Active Directory, MMC, Task Scheduler, Windows Script Host) from an early build of Windows 2000 to Windows NT 4.0. It is notable for being the only available build of such components compiled for the PowerPC architecture; a MIPS version was also slated to be released, but was canceled as Microsoft had dropped support for the architecture weeks prior to the event. The installer for these components continued to be compiled until as late as build 1631.

Beta 1[edit | edit source]

Interim Developer’s Release[edit | edit source]

Beta 2[edit | edit source]

Beta 3[edit | edit source]

Release Candidate 1[edit | edit source]

Release Candidate 2[edit | edit source]

Release Candidate 3[edit | edit source]

Pre-RTM[edit | edit source]

RTM[edit | edit source]

Service Pack 1[edit | edit source]

Beta[edit | edit source]

RTM[edit | edit source]

Service Pack 2[edit | edit source]

Beta[edit | edit source]

RTM[edit | edit source]

Service Pack 3[edit | edit source]

Beta[edit | edit source]

RTM[edit | edit source]

Service Pack 4[edit | edit source]

Beta[edit | edit source]

RTM[edit | edit source]

References[edit | edit source]