Windows NT 3.51 Product Overview

ID: Q124814


The information in this article applies to:
  • Microsoft Windows NT Server version 3.51
  • Microsoft Windows NT Server Step-Up, 3.5 to 3.51
  • Microsoft Windows NT Server Upgrade, 3.1 to 3.51
  • Microsoft Windows NT Server Upgrade, from Workstation 3.1 to Server 3.51
  • Microsoft Windows NT Server Upgrade, from LAN Manager 2.2 for OS/2 to NT Server 3.51
  • Microsoft Windows NT Workstation version 3.51
  • Microsoft Windows NT Workstation Step-Up, 3.5 to 3.51
  • Microsoft Windows NT Workstation Upgrade, 3.1 to 3.51

The Windows NT 3.51 release is an update of the Windows NT 3.5 release. Major new features include:

  • Support for PowerPC PreP compatible systems


  • NTFS file compression


  • PENTNT.EXE (disables hardware floating point processing on flawed Pentium chips) - Support for Windows 95 controls and common dialogs


  • Support for Windows 95 common controls


  • Support for Windows 95 Help


  • PCMCIA enabling for a known set of machines and devices (enabling only, not plug and play)


  • New licensing mini-application (Flippy), the forerunner of a larger licensing application (Honesty)


  • Replaceable (extensible) WinLogin


  • OLE improvements (performance, multi-threading)


  • 3D (DDI work for OpenGL)


  • Miscellaneous new device drivers


  • A Control Panel icon that allows you to configure the Windows properties for an MS-DOS command prompt


  • Text descriptions are automatically displayed on toolbar buttons when the mouse pointer is placed on them


  • Remote Access Service support for Security Dynamics ACE server.


  • Persistent IP routes when using TCP/IP


There are also bug fixes for the following:

  • Printing non-text files with LPR


  • Allowing guest access with FTP


  • A new version of Calculator


  • Digital DECWriter 95 support


  • Printing to a non-postscript printer from a Macintosh


Additional query words: prodnt winhelp

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Last Reviewed: February 17, 1999
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