LSASS May Use a Large Amount of Memory on a Domain Controller

• Microsoft Windows NT Server version 4.0
• Microsoft Windows NT Server version 4.0, Terminal Server Edition

SYMPTOMS

When a large number of trusted users and groups are imported to local groups within a resource domain, memory usage by Lsass.exe may be excessive, possibly causing system performance degradation. Memory usage for a process can be seen using Perfmon.exe.

CAUSE

The problem occurs when the Netlogon service is starting and fails to deallocate memory needed to process the imported accounts.

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, please see the following article in the Microsoft Knowledge Base:

Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack

STATUS

Microsoft has confirmed this to be a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.

Additional query words: 4.00 lsass leak

Keywords : NT4SP4Fix ntdomain ntsecurity kbbug4.00 kbfix4.00.sp4 ntfault NTSrv
Version : WinNT:4.0
Platform : winnt
Issue type : kbbug