Error Message After Upgrading Windows NT for Second Processor (174623)


The information in this article applies to:

  • Microsoft Windows NT Workstation 4.0
  • Microsoft Windows NT Server 4.0
  • Microsoft Windows NT Server, Enterprise Edition 4.0
This article was previously published under Q174623

SYMPTOMS

After you upgrade Windows NT to support a second processor, you may receive either of the following error messages:

  • If the Operating System is on a file allocation table (FAT) partition, you receive the following error message:

    Windows NT could not start because the following file is
    corrupt:%winnt%\system32\drivers\fastfat.sys
  • If the Operating System is on a NTFS file system (NTFS) partition:

    Windows NT could not start because the following file is
    corrupt:%winnt%\system32\drivers\ntfs.sys.

CAUSE

This behavior can be caused by a file mismatch between the files from Windows NT and those from an installed Service Pack.

RESOLUTION

To resolve this issue, use one of the following methods:

If You Have Not Yet Restarted After the Upgrade

Reapply the latest Service Pack before you restart the computer.

If You Have Already Restarted After the Upgrade

Refer to the following article.

For additional information about which files to replace, click the article number below to view the article in the Microsoft Knowledge Base:

156358 How to Manually Add Support for a Second Processor



Modification Type:MajorLast Reviewed:8/9/2001
Keywords:kbenv kberrmsg kbprb KB174623
©2002 Microsoft Corporation. All rights reserved.