Article ID: 166160
Article Last Modified on 10/31/2006
APPLIES TO
- Microsoft Windows NT Workstation 4.0 Developer Edition
- Microsoft Windows NT Server 4.0 Standard Edition
This article was previously published under Q166160
SYMPTOMS
After you apply a service pack for Windows NT 4.0, the computer may stop
with the following error message on the subsequent restart:
Stop: c000021a {Fatal System Error}
The session manager initialization system process terminated
unexpectedly with a status of 0xc0000005 (0x00000000, 0x0000000)
NOTE: The parameters in parenthesis are specific to your system
configuration and may differ each time.
-or-
After you install a Windows NT 4.0 service pack, the system restarts at
the blue kernel screen without an error message and continues in a restart
loop.
CAUSE
This can be caused by a corrupt Windows NT system file, or where one or
more Windows NT system files, which are in use, may not be copied properly
while applying a service pack.
On Compaq servers that are running Compaq's Insight Manager, the service
pack update program would display a message that the file Ntdll.dll was
busy. If you skipped the copy of this file and continued the installation,
the system will exhibit one of the above symptoms on start up.
RESOLUTION
You resolve this problem by performing one of the following:
- If the system files are on a FAT partition, boot to an MS-DOS bootable
floppy disk and replace Ntdll.dll with the updated version from Windows
NT 4.0 Service Pack 2.
- Replace Ntdll.dll with the updated version from Service Pack 2 by
modifying the Setup.log file on the Emergency Repair Disk (ERD). For
more information, please see the following article in the Microsoft
Knowledge Base:
ARTICLE-ID: 164471
TITLE : Replacing System Files Using a Modified Emergency
Repair Disk
- Copy the Setupdd.sys file from Service Pack 2 to the second Windows NT
Setup disk, run an Emergency Repair, select the option to "Verify
Windows NT System files", and then choose to replace the Ntdll.dll file.
- If the system files are on an NTFS partition, install a parallel copy of
Windows NT and replace Ntdll.dll in the original folder with the updated
version from Service Pack 2.
Additional query words: Stop 0xc000021a ntdll.dll
Keywords: kbprb kbsetup KB166160