Microsoft KB Archive/912586

= The W3wp.exe process may crash in low memory situations in Exchange Server 2003 =

Article ID: 912586

Article Last Modified on 10/25/2007

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APPLIES TO


 * Microsoft Exchange Server 2003 Standard Edition
 * Microsoft Exchange Server 2003 Enterprise Edition

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SYMPTOMS
In Microsoft Exchange Server 2003, the W3wp.exe process may crash in low memory situations.



CAUSE
This problem may occur if the Davex.dll file does not check memory allocation before it uses the memory.



Hotfix information
A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Prerequisites
Microsoft Exchange Server 2003 Service Pack 2 (SP2).

Restart requirement
You do not have to restart the computer after you apply this software update.

Hotfix replacement information
This hotfix does not replace any other software updates.

File information
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
For more information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

817903 New naming schema for Exchange Server software update packages



MORE INFORMATION
This problem is characterized by the following call stack: ChildEBP RetAddr Args to Child 1dbefca8 59f75d25 00000001 0ae5ee78 00000000 davex!CXMLBody::ScAddTextBytes+0xbc 1dbefcdc 59f75dbf 00000001 0ae5bb64 00000000 davex!CXNode::ScAddUnicodeResponseBytes+0x14e 1dbefcf0 59f7670e 00000000 0ae5fa98 08e6f160 davex!CXNode::ScWriteTagName+0x25 1dbefd00 59f06a33 0ae5fa98 0ae5fa98 1dbefd3c davex!CXNode::ScDone+0x90 1dbefd1c 59f06a6d 1dbefdc0 1dbefd48 59eebf9b davex!CXNode::~CXNode+0x23 1dbefd28 59eebf9b 00000001 00000000 1dbefdc0 davex!CXNode::`scalar deleting destructor'+0xb 1dbefd48 59f21583 00000000 0000001d 00000000 davex!CEmitterNode::~CEmitterNode+0x27 1dbefdec 59f21787 59f2793c 18361010 59f971b4 davex!CPackedResponse::PackedResponse+0xc38 1dbefdf0 59f2793c 18361010 59f971b4 59f94350 davex!CPackedResponse::SendBufferComplete+0x25 1dbefe34 59f063e0 18361010 09f0e338 18361000 davex!ScDispatchQueueItem+0xe7 1dbefe64 62f396f9 09f0e33c 00001009 09f0e34d davex!CDavEpoxyQueueMgr::HrEpoxyRespHandler+0xd5 1dbefe90 62f3be29 00000001 09f0e33c 59fd67f8 epoxy!CEpoxyQ::DispatchRequest+0x86 1dbefee0 59f062e0 00000000 59fd67f8 00000000 epoxy!CEpoxyQ::IOCPNotification+0x102 1dbeff1c 59f2b20b 00000000 77e6b44f 0d731e90 davex!CDavEpoxyQueueMgr::DoWork+0xca 1dbeff50 68628b70 59fd67f8 00000000 00000000 davex!CAtqPoolManager::AtqIOComplete+0x40 1dbeff84 68628e6d 00000000 00000000 0d731e94 lsatq!AtqpProcessContext+0x266 1dbeffb8 77e66063 00000000 00000000 00000000 lsatq!AtqPoolThread+0x1a8 1dbeffec 00000000 68628cc5 00000000 00000000 kernel32!BaseThreadStart+0x34

Keywords: kbqfe kbfix kbbug kbexchange2003presp2fix kbpubtypekc KB912586

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