Windows NT 3.51 Product Overview

Last reviewed: August 24, 1995
Article 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


KBCategory: kbref
KBSubcategory: ntgeneral
Additional reference words: prodnt 3.51 winhelp


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Last reviewed: August 24, 1995
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