Several Threads Created in LRPC Running Stress Test in IIS

ID: Q184754

The information in this article applies to:

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

SYMPTOMS

Under stress, Internet Information Server (IIS) version 4.0 threads will wait on a LPC port for the WMSG_ADDRESS object and results in several hundred threads (400+) being created in the IIS process.

CAUSE

This situation happens because the active call count logic on the WMSG_ADDRESS object is not working correctly.

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.

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