WinNT 3.51 Service Packs (SPs) Incorrectly Update Newer SPs

 Last reviewed: March 24, 1997
Article ID: Q154785

The information in this article applies to:
  • Microsoft Windows NT Workstation version 3.51
  • Microsoft Windows NT Server version 3.51

SYMPTOMS

It is possible to replace a newer version of a Service Pack for Windows NT 3.51 with an older version. This is not intended behavior.

CAUSE

Version information was not updated for Service Packs 1, 2, 3 and 4 for Windows NT 3.51. It is possible for any of these service packs to install over a newer service pack.

RESOLUTION

Windows NT will now detect that a newer-version Service Pack is installed and not install an older Service Pack over the newer version.

Note: If Service Pack 3 is installed over Service Pack 4, please refer to the following article in the Microsoft Knowledge Base: 

   Article-ID: Q148262
   TITLE     : Removing Windows NT 3.51 SP 4 May Cause Logon Failures

STATUS

Microsoft has confirmed this to be a problem with Windows NT version 3.51 Service Packs 1, 2, 3, and 4. This problem was corrected in the latest Windows NT 3.51 U.S. Service Pack. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces): 

   S E R V P A C K

Additional query words: prodnt
Keywords : kbbug3.51 kbnetwork ntsetup NTSrvWkst
Version : 3.51
Platform : WinNT

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Last reviewed: March 24, 1997
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