Windows Server

==Windows NT Version 3.1 Advanced Server==
===1993–2000===
Support ended on December 31, 2000.
==Windows NT Version 3.5x Server==
===1994–2001===
===Windows NT Version 3.5 Server===
====1994–2001====
Support ended on December 31, 2001.
===Windows NT Version 3.51 Server===
====1995–2001====
==Windows NT 4.0 Server==
===1996–2006===
===Server===
====1996–2004====
===Enterprise Edition===
====1997–2004====
===Terminal Server Edition===
====1998–2006====
Extended support ended on December 31, 2004 (mainstream support ended on December 31, 2002) for all versions except Embedded.
Extended support for Embedded versions ended on July 11, 2006 (mainstream support ended on June 30, 2003).
==Windows 2000 Server==
===1999–2010===
Extended support ended on July 13, 2010 (mainstream support ended on June 30, 2005).
==Windows Server 2003==
===2003–2015===
Extended support ended on July 14, 2015 (mainstream support ended on July 13, 2011).
===Windows Server 2003 R2===
====2005–2015====
==Windows Server 2008==
===2008–2020===
Mainstream support ended on January 13, 2015, and extended support ended on January 14, 2020.
===Windows Essential Business Server===
====2008–2010====
Windows Essential Business Server was a version of Windows Server 2008 designed small size business operations, it was released to manufacturing on 15 September 2008 and was officially launched on 12 November 2008.
===Windows Server 2008 R2===
====2009–2020====
In October 22, 2009, Microsoft introduced Windows Server 2008 R2 alongside Windows 7.
Mainstream support end date and extended support end date is ditto on Windows Server 2008.
==Windows Server 2012==
===2012–2023===
Instead of using Segoe UI Semibold like in the Windows 8 logo, it's using Segoe UI Semilight.
Mainstream support ended on October 9, 2018, and extended support ended on October 10, 2023.
===Windows Server 2012 R2===
====2013–2023====
The logo's color was changed to dark blue.
Mainstream support ended on October 9, 2018, and extended support ended on October 10, 2023.
==Windows Server 2016==
===2016–present===
This logo has no differences to Server 2012 R2 except the change to 2016.
Mainstream support ended on January 11, 2022, and extended support will end on January 12, 2027.
==Windows Server Semi-Annual Channel, versions 1709–20H2==
===2017–2022===
This logo has no differences to Server 2012 R2.
Windows Server operating system releases under the Semi-Annual Channel are supported by Microsoft for 18 months. Microsoft targets two releases of Windows Server per year under this channel. These releases do not offer any GUI desktop environments, and include Server Core and Nano Server.
==Windows Server 2019==
===2018–present===
This logo has no differences to Server 2012 R2 and 2016 except the change to 2019. However, this logo was rarely officially used by Microsoft in advertising. The words "Windows Server 2019" appear in the Winver applet without the Windows logo.
Mainstream support ended on January 9, 2024, and extended support will end on January 9, 2029.
==Windows Server 2022==
===2021–present===
This logo has no differences to Server 2012 R2, 2016 and 2019 except the change to 2022. However, this logo was rarely officially used by Microsoft in advertising. Branding in the Winver applet was similar to Windows Server 2019, albeit saying 2022.
Mainstream support will end on Oct 13, 2026, and extended support will end on Oct 14, 2031.
==Windows Server 2025==
===2024–present===
Windows Server 2025 is an upcoming OS announced by Microsoft on January 26, 2024
Category:Microsoft
Category:Windows
Category:Software
Category:Operating systems
Category:1990s
Category:1993