COM Internet Services Causes Memory Leaks in IIS (241104)


The information in this article applies to:

  • Microsoft Windows NT Server 4.0 SP4
  • Microsoft Windows NT Server 4.0 SP5
  • Microsoft Windows NT Server 4.0 SP6
  • Microsoft Windows NT Server, Enterprise Edition 4.0 SP4
  • Microsoft Windows NT Server, Enterprise Edition 4.0 SP5
  • Microsoft Windows NT Server, Enterprise Edition 4.0 SP6
This article was previously published under Q241104

SYMPTOMS

When an IIS server is configured for RPC Proxy and DCOM clients connect through this proxy to the DCOM server, a memory leak occurs in the Inetinfo process.

CAUSE

This problem occur because of a problem in the Rpcproxy.dll file. After Rpcproxy.dll finishes its processing, it does not notify IIS, causing the session connection to not terminate and creating the memory leak.

RESOLUTION

A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix should have the following file attributes or later:
   Date      Time                 Size    File name     Platform
   -------------------------------------------------------------
   09/13/99  11:05a               20,240  RpcProxy.dll  x86

   09/13/99  11:02a               35,088  RpcProxy.dll  Alpha

STATUS

Microsoft has confirmed that this is a problem in Windows NT 4.0.
Modification Type:MinorLast Reviewed:9/23/2005
Keywords:kbHotfixServer kbQFE kbbug kbfix KB241104
©2004 Microsoft Corporation. All rights reserved.