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{{Short description|Second major release of Windows NT, released in 1994}}{{Use mdy dates|date=March 2021}}

factoids

| preceded_by = Windows NT 3.1 (1993)| succeeded_by = Windows NT 3.51 (1995)Hybrid kernel>HybridWindows API, NTVDM, Microsoft OS/2 subsystem>OS/2 1.x, POSIX.1FIRST1=PAULURL=HTTPS://BLOGS.TECHNET.MICROSOFT.COM/MRSNRUB/2009/08/04/WINDOWS-NT-HISTORY/IF (MS) BLOG++;, Microsoft>date=4 August 2009archive-date=23 April 2019blogs.technet.microsoft.com/mrsnrub/2009/08/04/windows-nt-history/>url-status=live}}| release_version = Service Pack 3 (3.5.807)Windows NT 3.5 is a major release of the Windows NT operating system developed by Microsoft and oriented towards businesses. It was released on September 21, 1994, as the successor to Windows NT 3.1 and the predecessor to Windows NT 3.51.WEB,www.oldcomputermuseum.com/os/windows_nt3.5.html, Microsoft Windows NT 3.5, Old Computer Museum, 22 September 2013, 23 March 2013,www.oldcomputermuseum.com/os/windows_nt3.5.html," title="web.archive.org/web/20130323205319www.oldcomputermuseum.com/os/windows_nt3.5.html,">web.archive.org/web/20130323205319www.oldcomputermuseum.com/os/windows_nt3.5.html, dead, One of the primary goals during Windows NT 3.5 development was to improve the operating system’s performance. As a result, the project was codenamed “Daytona”, after the Daytona International Speedway in Daytona Beach, Florida.BOOK, Microsoft Windows Internals, Russinovich, Mark, Solomon, David A., 8 December 2004, Microsoft, 978-0-7356-1917-3, 4, The first release of Windows NT was larger and slower than expected, so the next major push was a project called “Daytona”, named after the speedway in Florida. The main goals for this release were to reduce the size of the system, increase the speed of the system, and, of course, to make it more reliable., Mark Russinovich, registration,archive.org/details/isbn_9780735619173, On December 31, 2001, Microsoft declared Windows NT 3.5 obsolete and stopped providing support and updates for the system.

Features

Windows NT 3.5 comes in two editions: NT Workstation and NT Server. They respectively replace the NT and NT Advanced Server editions of Windows NT 3.1.WEB,www.oldcomputermuseum.com/os/windows_nt3.5.html, Microsoft Windows NT 3.5, Old Computer Museum, 22 September 2013, 23 March 2013,www.oldcomputermuseum.com/os/windows_nt3.5.html," title="web.archive.org/web/20130323205319www.oldcomputermuseum.com/os/windows_nt3.5.html,">web.archive.org/web/20130323205319www.oldcomputermuseum.com/os/windows_nt3.5.html, dead, The Workstation edition allows only 10 concurrent clients to access the file server and does not support Mac clients.WEB,www.oldcomputermuseum.com/os/windows_nt3.5ser.html, Microsoft Windows NT 3.5 Server, Old Computer Museum, 22 September 2013, 2 January 2014,www.oldcomputermuseum.com/os/windows_nt3.5ser.html," title="web.archive.org/web/20140102202735www.oldcomputermuseum.com/os/windows_nt3.5ser.html,">web.archive.org/web/20140102202735www.oldcomputermuseum.com/os/windows_nt3.5ser.html, dead, Windows NT 3.5 includes integrated Winsock and TCP/IP support.WEB,www.yale.edu/pclt/WINWORLD/NT.HTM, TCP/IP in Windows NT 3.5, 9 April 1995, Yale.edu, Yale University, 22 September 2013, 29 February 2000,www.yale.edu/pclt/WINWORLD/NT.HTM," title="web.archive.org/web/20000229122839www.yale.edu/pclt/WINWORLD/NT.HTM,">web.archive.org/web/20000229122839www.yale.edu/pclt/WINWORLD/NT.HTM, live, (Its predecessor, Windows NT 3.1, only includes an incomplete implementation of TCP/IP based on the AT&T UNIX System V “STREAMS” API.) TCP/IP and IPX/SPX stacks in Windows NT 3.5 are rewritten.WEB,support.microsoft.com/kb/140552, How to Optimize Windows NT to Run Over Slow WAN Links w/TCP/IP, 2010-12-18, 2013-02-27,support.microsoft.com/kb/140552," title="web.archive.org/web/20130227071334support.microsoft.com/kb/140552,">web.archive.org/web/20130227071334support.microsoft.com/kb/140552, live, NetBIOS over TCP/IP (NetBT) support as a compatibility layer for TCP/IP was introduced as also the Microsoft DHCP and WINS clients and DHCP and WINS servers.WEB,www.yale.edu/pclt/WINWORLD/NT.HTM, TCP/IP in Windows NT 3.5, 9 April 1995, Yale.edu, Yale University, 22 September 2013, 29 February 2000,www.yale.edu/pclt/WINWORLD/NT.HTM," title="web.archive.org/web/20000229122839www.yale.edu/pclt/WINWORLD/NT.HTM,">web.archive.org/web/20000229122839www.yale.edu/pclt/WINWORLD/NT.HTM, live, WEB,support.microsoft.com/kb/169289, DHCP (Dynamic Host Configuration Protocol) Basics, 2009-12-27, 2010-03-24,support.microsoft.com/kb/169289," title="web.archive.org/web/20100324040943support.microsoft.com/kb/169289,">web.archive.org/web/20100324040943support.microsoft.com/kb/169289, live, Windows NT 3.5 can share files via the File Transfer Protocol, and printers through the Line Printer Daemon protocol. It can act as a Gopher, HTTP, or WAIS server,WEB,www.yale.edu/pclt/WINWORLD/NT.HTM, TCP/IP in Windows NT 3.5, 9 April 1995, Yale.edu, Yale University, 22 September 2013, 29 February 2000,www.yale.edu/pclt/WINWORLD/NT.HTM," title="web.archive.org/web/20000229122839www.yale.edu/pclt/WINWORLD/NT.HTM,">web.archive.org/web/20000229122839www.yale.edu/pclt/WINWORLD/NT.HTM, live, and includes Remote Access Service for remote dial-up modem access to LAN services using either SLIP or PPP protocols.WEB,support.microsoft.com/kb/142909, Files Needed to Set Up Windows NT 3.5 and 3.51 RAS, 1 November 2006, Microsoft, 22 September 2013, 25 December 2013,support.microsoft.com/kb/142909," title="web.archive.org/web/20131225113444support.microsoft.com/kb/142909,">web.archive.org/web/20131225113444support.microsoft.com/kb/142909, live, Windows NT 3.5 Resource Kit includes the first implementation of Microsoft DNS.DNSSETUP.EXE for Beta DNS Service included inftp.microsoft.com/bussys/winnt/winnt-public/reskit/nt35/i386/i386.exe{{Dead link|date=February 2022 |bot=InternetArchiveBot |fix-attempted=yes }}Other new features in Windows NT 3.5 include support for the VFAT file system, Object Linking and Embedding (OLE) version 2.0 and support for input/output completion ports.WEB,www.microsoft.com/technet/sysinternals/information/IoCompletionPorts.mspx, Inside I/O Completion Ports, Russinovich, Mark, Mark Russinovich, 1 November 2006, Sysinternals, Microsoft,www.microsoft.com/technet/sysinternals/information/IoCompletionPorts.mspx," title="web.archive.org/web/20070220042334www.microsoft.com/technet/sysinternals/information/IoCompletionPorts.mspx,">web.archive.org/web/20070220042334www.microsoft.com/technet/sysinternals/information/IoCompletionPorts.mspx, 20 February 2007, Microsoft updated the graphical user interface to be consistent with that of Windows for Workgroups 3.11. NT 3.5 shows performance improvements over NT 3.1, and requires less memory.

Limitations

A lack of drivers for PCMCIA cards limited NT 3.5’s suitability for notebook computers.To install Windows NT 3.5 on a computer that has a sixth-generation or later x86 processor,WEB, Windows NT 3.5 Setup and the Pentium Pro Processor,support.microsoft.com/kb/151212/en-us, Microsoft, 1 November 2006, 4 September 2009, 25 February 2012,support.microsoft.com/kb/151212/en-us," title="web.archive.org/web/20120225064332support.microsoft.com/kb/151212/en-us,">web.archive.org/web/20120225064332support.microsoft.com/kb/151212/en-us, live, one has to modify files on the installation CD-ROM.

Reception

In July 1995, Windows NT 3.5 with Service Pack 3 was rated by the National Security Agency as complying with Trusted Computer System Evaluation Criteria (TCSEC) C2 criteria.WEB, Windows NT Server 4.0 – Maintain – Revision 1.1,technet.microsoft.com/en-us/library/cc767093.aspx, Microsoft, 1998, 4 September 2009, 28 February 2010,technet.microsoft.com/en-us/library/cc767093.aspx," title="web.archive.org/web/20100228175254technet.microsoft.com/en-us/library/cc767093.aspx,">web.archive.org/web/20100228175254technet.microsoft.com/en-us/library/cc767093.aspx, live, {{clear}}

Source code

In May 2009, the full source code for the second release candidate build (build 782.1) of Windows NT 3.5, along with source code for the original Xbox, leaked onto the Internet.WEB,www.theverge.com/2020/5/21/21265995/xbox-source-code-leak-original-console-windows-3-5, Xbox and Windows NT 3.5 source code leaks online, May 21, 2020, 2020-06-04, 2020-06-04,web.archive.org/web/20200604083358/https://www.theverge.com/2020/5/21/21265995/xbox-source-code-leak-original-console-windows-3-5, live,

References

{{Reflist|30em}}

External links

• Guidebook: Windows NT 3.51 Gallery – A website dedicated to preserving and showcasing Graphical User Interfaces

{{Microsoft Windows family}}