Article: Q259042
Product(s): Microsoft Windows NT
Version(s): winnt:4.0 SP6,4.0 SP6a
Operating System(s):
Keyword(s): kbWinNT400PreSP7Fix
Last Modified: 08-MAY-2002
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The information in this article applies to:
- Microsoft Windows NT Server versions 4.0 SP6, 4.0 SP6a
- Microsoft Windows NT Workstation versions 4.0 SP6, 4.0 SP6a
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SYMPTOMS
========
After you install Windows NT 4.0 Service Pack 6 and if the RegConnectRegistry()
API is being used heavily, the Winlogon process may exhibit a Handle Leak.
CAUSE
=====
This issue occurs because Windows NT 4.0 Service Pack 6 introduced a problem in
the termination code for WinLogon, which prevents orphaned handles from
closing.
RESOLUTION
==========
To resolve this problem, obtain the Windows NT 4.0 Security Rollup Package. For
additional information, click the article number below to view the article in
the Microsoft Knowledge Base:
Q299444 Post-Windows NT 4.0 Service Pack 6a Security Rollup Package (SRP)
The English-language version of this fix should have the following file
attributes or later:
Date Time Size File name Platform
-------------------------------------------------------------
04/04/00 00:46 135,440 services.exe Intel
04/04/00 00:46 192,272 winlogon.exe Intel
04/04/00 00:45 249,104 services.exe Alpha
04/04/00 00:45 275,216 winlogon.exe Alpha
STATUS
======
Microsoft has confirmed that this problem may cause a degree of security
vulnerability in Windows NT 4.0.
Additional query words:
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Keywords : kbWinNT400PreSP7Fix
Technology : kbWinNTsearch kbWinNTWsearch kbWinNTW400search kbWinNT400search kbWinNTSsearch kbWinNTS400sp6 kbWinNTS400search kbWinNTW400sp6 kbWinNTW400SP6a
Version : winnt:4.0 SP6,4.0 SP6a
Hardware : ALPHA x86
Issue type : kbbug
Solution Type : kbfix
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