Microsoft KB Archive/172229

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Article ID: 172229

Article Last Modified on 10/31/2006


  • Microsoft Windows NT Workstation 3.51
  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows NT Server 3.51
  • Microsoft Windows NT Server 4.0 Standard Edition

This article was previously published under Q172229


When you upgrade from Windows NT 3.51 to Windows NT 4.0, the following error may occur:

Stop 0x00000050 ( 0xf4060000, 0x00000000, 0x00000000, 0x00000000 )
Page Fault in Non Paged Area.

The first parameter may vary depending on the computer configuration, but the last three should be all 0's.


This error is generated by files related to Compaq's Insight Manager version 2.61 or 3.0.


Rename the following files found in %SystemRoot%\System32\Drivers;

Cpqsdm.sys - which is the SCSI Device Manager
Sysmgmt.sys - which is the Systems Management Driver

After renaming the files, restart your computer to allow setup to proceed.

NOTE: You may encounter additional error messages relating to Insight Manager.

If the file system is NTFS, a parallel copy of Windows NT will need to be installed into a temporary directory. After Windows NT is installed and the files renamed, restart the computer and choose the original installation from the Boot.ini menu to continue the upgrade process.

After the upgrade is completed, it is recommended that Insight Manager be reinstalled, apply any Windows NT 4.0 service packs that may be needed, and then apply the latest SSD from Compaq.

It is recommended that for Windows NT 4.0, that Insight Manager version 3.3 or later be used.


Sysmgmt.sys - Systems Management Driver is responsible for logging critical errors about the computer in the server health logs.

For more information about Insight Manager and Sysmgmt.sys, see the following articles in the Microsoft Knowledge Base:

135528 Event ID 1999 Appears When Using Compaq Insight Manager

146054 Stop 0xC0000263 When Upgrading to WinNT 3.51

Additional query words: stop 0x50 setup

Keywords: kbsetup KB172229