Handle Leak in WinLogon After Applying Windows NT 4.0 Service Pack 6 (259042)
The information in this article applies to:
- Microsoft Windows NT Server 4.0 SP6
- Microsoft Windows NT Server 4.0 SP6a
- Microsoft Windows NT Workstation 4.0 SP6
- Microsoft Windows NT Workstation 4.0 SP6a
This article was previously published under Q259042 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:
299444 Post-Windows NT 4.0 Service Pack 6a Security Rollup Package (SRP)
The English-language version of this fix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
Date Time Size File name Platform
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03-Apr-2000 15:46 4.0.1381.7046 135,440 services.exe i386
03-Apr-2000 15:46 4.0.1381.7046 192,272 winlogon.exe i386
03-Apr-2000 15:45 4.0.1381.7046 249,104 services.exe Alpha
03-Apr-2000 15:45 4.0.1381.7046 275,216 winlogon.exe Alpha
STATUSMicrosoft has confirmed that this problem may cause a degree of security vulnerability in Windows NT 4.0.
| Modification Type: | Minor | Last Reviewed: | 9/26/2005 |
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| Keywords: | kbHotfixServer kbQFE kbbug kbfix kbQFE KB259042 |
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