Windows Server 2008 (sometimes abbreviated as "Win2K8" or "W2K8") is one of Microsoft Windows' server line of operating systems. Released to manufacturing on February 4, 2008, and officially released on February 27, 2008, it is the successor to Windows Server 2003, released nearly five years earlier. A second release, named Windows Server 2008 R2, was released to manufacturing on July 22, 2009.
Originally known as Windows Server Codename "Longhorn", Microsoft chairman Bill Gates announced its official title (Windows Server 2008) during his keynote address at WinHEC 16 May 2007.
Beta 1 was released on 27 July 2005, Beta 2 was announced and released on 23 May 2006 at WinHEC 2006 and Beta 3 was released publicly on 25 April 2007. Release Candidate 0 was released to the general public on 24 September 2007 and Release Candidate 1 was released to the general public on 5 December 2007. Windows Server 2008 was released to manufacturing on 4 February 2008 and officially launched on 27 February 2008.
Windows Server is a brand name for a group of server operating systems released by Microsoft. It includes all Windows operating systems branded "Windows Server", but not any other Microsoft product. The first Windows server edition to be released under that brand was Windows Server 2003. However, the first server edition of Windows was Windows NT 3.1 Advanced Server, followed by Windows NT 3.5 Server, Windows NT 4.0 Server, and Windows 2000 Server; the latter was the first server edition to include Active Directory, DNS Server, DHCP Server, Group Policy, as well as many other popular features used today.
This brand includes the following operating systems:
Microsoft has also produced Windows Server Essentials (formerly Windows Small Business Server) and Windows Essential Business Server (discontinued), software bundles which includes a Windows Server operating system and some other Microsoft Servers products.
Windows Server 2016 is an upcoming server operating system developed by Microsoft as part of the Windows NT family of operating systems, developed concurrently with Windows 10. The first early preview version (Technical Preview) became available on 1 October 2014 together with the first technical preview of System Center, and is currently in public beta testing. The final release date for the server is expected to be in Q3 2016, that is, not released simultaneously with the client operating system Windows 10 as was the case with the last three operating system releases.
Windows 2000 is an operating system for use on both client and server computers. It was produced by Microsoft and released to manufacturing on December 15, 1999 and launched to retail on February 17, 2000. It is the successor to Windows NT 4.0, and is the last version of Microsoft Windows to display the "Windows NT" designation. It is succeeded by Windows XP (released in October 2001) and Windows Server 2003 (released in April 2003). During development, Windows 2000 was known as Windows NT 5.0.
Four editions of Windows 2000 were released: Professional, Server, Advanced Server, and Datacenter Server; the latter was both released to manufacturing and launched months after the other editions. While each edition of Windows 2000 was targeted at a different market, they shared a core set of features, including many system utilities such as the Microsoft Management Console and standard system administration applications.
Support for people with disabilities was improved over Windows NT 4.0 with a number of new assistive technologies, and Microsoft increased support for different languages and locale information.