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Q300424: Access Violation in Inetinfo.exe When an SMTP Message Received

Article: Q300424
Product(s): Internet Information Server
Version(s): 2000,2000 SP1,2000 SP2,5.0
Operating System(s): 
Keyword(s): kbenv kberrmsg kbtool kbSysAdmin kbWin2000PreSP3Fix kbWin2000sp3fix
Last Modified: 15-AUG-2002

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The information in this article applies to:

- Microsoft Windows versions 2000, 2000 SP1, 2000 SP2 Professional 
- Microsoft Windows versions 2000, 2000 SP1, 2000 SP2 Server 
- Microsoft Windows versions 2000, 2000 SP1, 2000 SP2 Advanced Server 
- Microsoft Internet Information Services version 5.0 
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SYMPTOMS
========

When you receive an SMTP e-mail message, you may receive an access violation
error message in the Inetinfo.exe process. With correct symbols (or in a
debugger), you find the following stack:

  00 0fdcfe2c 6e5a9a84 7fae006c 00000000 7fae0044
  IisRTL!CLockedDoubleList__InsertHead+0x16
  01 0fdcfe44 6c95a520 6c952d68 6c95a686 6c95a690
  IisRTL!CLKRHashTable__CLKRHashTable+0x4c
  02 0fdcfe70 6c9595df 7fae0000 6c958b77 7e190000
  mailmsg!CRecipientsHashTable__CRecipientsHashTable+0x31
  03 0fdcfe78 6c958b77 7e190000 6c958025 7fb3017c
  mailmsg!CRecipientsHash__CRecipientsHash+0xb
  04 0fdcfe80 6c958025 7fb3017c 7e190000 7fb3003c
  mailmsg!CMailMsgRecipientsAdd__CMailMsgRecipientsAdd+0xb
  05 0fdcfe90 6783a1d4 7fb3003c 7e190a00 0000001e
  mailmsg!CMailMsgRecipients__AllocNewList+0x2d
  06 0fdcfec4 6783243b 00000000 0000001e 00000004
  SMTPSVC!SMTP_CONNECTION__GlueDispatch+0x2e2
  07 0fdcfefc 67831ef9 00000020 7e190000 701214a1
  SMTPSVC!SMTP_CONNECTION__ProcessInputBuffer+0x2e5
  08 0fdcff18 67832756 00000020 00000000 7e190074
  SMTPSVC!SMTP_CONNECTION__ProcessReadIO+0x7a
  09 0fdcff3c 6782fad2 00000020 00000000 7e190074
  SMTPSVC!SMTP_CONNECTION__ProcessClient+0x14d
  0a 0fdcff4c 6d70142e 7e190000 00000020 00000000 SMTPSVC!SmtpCompletion+0x15
  0b 0fadbe78 00000000 00000000 00000000 00000000 ISATQ!AtqpProcessContext+0x262

CAUSE
=====

This problem can be caused by freeing virtual memory and unloading the DLL while
there were still outstanding references to objects in use.

RESOLUTION
==========

To resolve this problem, obtain the latest service pack for Windows 2000. For
additional information, click the following article number to view the article
in the Microsoft Knowledge Base:

  Q260910 How to Obtain the Latest Windows 2000 Service Pack

STATUS
======

Microsoft has confirmed that this is a problem in Microsoft Internet Information
Services 5.0. This problem was first corrected in Windows 2000 Service Pack 3.


MORE INFORMATION
================

For additional information about how to install Windows 2000 and Windows 2000
hotfixes at the same time, click the article number below to view the article in
the Microsoft Knowledge Base:

  Q249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

The code in the hotfix that is described in this article now checks to make sure
there are no outstanding objects before the DLL is unloaded.

Additional query words: kbMgmtAdmin

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Keywords          : kbenv kberrmsg kbtool kbSysAdmin kbWin2000PreSP3Fix kbWin2000sp3fix 
Technology        : kbwin2000AdvServ kbwin2000AdvServSearch kbwin2000Serv kbwin2000ServSearch kbwin2000Search kbwin2000ProSearch kbwin2000Pro kbiisSearch kbiis500 kbWinAdvServSearch kbWin2000AdvServSP2 kbWin2000AdvServSP1 kbWin2000ProSP2 kbWin2000ProSP1 kbwin2000ServSP1 kbwin2000ServSP2
Version           : :2000,2000 SP1,2000 SP2,5.0
Hardware          : x86
Issue type        : kbbug
Solution Type     : kbfix

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