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Q241104: COM Internet Services Causes Memory Leaks in IIS

Article: Q241104
Product(s): Microsoft Windows NT
Version(s): winnt:4.0 SP4,4.0 SP5,4.0 SP6
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 SP4, 4.0 SP5, 4.0 SP6 
- Microsoft Windows NT Server, Enterprise Edition versions 4.0 SP4, 4.0 SP5, 4.0 SP6 
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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 described in this article and should be applied only to
systems 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 on support costs, please go to the following address on the World
Wide Web:

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

NOTE: In special cases, charges that are normally incurred for support calls may
be canceled, if a Microsoft Support Professional determines that a specific
update will resolve your problem. Normal 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 this to be a problem in Windows NT 4.0.

Additional query words: kbDCOM kbIIS kbRPC

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Keywords          : kbWinNT400PreSP7Fix 
Technology        : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTSEntSearch kbWinNTSEnt400sp6 kbWinNTSEnt400sp5 kbWinNTSEnt400sp4 kbWinNTS400sp6 kbWinNTS400sp5 kbWinNTS400sp4 kbWinNTS400search
Version           : winnt:4.0 SP4,4.0 SP5,4.0 SP6
Hardware          : ALPHA x86
Issue type        : kbbug
Solution Type     : kbfix

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