Multiprocessor Systems Randomly Restart or Stop Responding

• Microsoft Windows NT Workstation version 4.0
• Microsoft Windows NT Server version 4.0

SYMPTOMS

Windows NT Workstation systems with more than two processors and Windows NT Server systems with more than four processors experience random restarts or stop responding after four to six hours of operation.

NOTE: Retail versions of Windows NT Server or Windows NT Workstation do not support the number of processors necessary to experience this problem. Therefore, this problem is only seen on OEM versions of Windows NT.

CAUSE

There is a problem with some of the functions in Ntoskrnl.exe related to support of Windows NT Workstation systems with more than two processors and Windows NT Server systems with more than four processors.

WORKAROUND

Obtain the following update or wait for the next Service Pack.

ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/nt40/hotfixes-postSP1/32proc-fix/

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 4.00. This problem was corrected in the latest Microsoft Windows NT 4.0 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 : kbhw kbbug4.00 nthw kbfix4.00.sp2
Version : 4.0
Platform : winnt
Issue type :