XADM: A Memory Leak in Store.exe Degrades Performance (322125)


The information in this article applies to:

  • Microsoft Exchange 2000 Server
This article was previously published under Q322125

SYMPTOMS

Over time, an Exchange 2000 server that is part of a mixed Microsoft Exchange Server 5.5 and Exchange 2000 environment may gradually become unresponsive. Clients may report an overall reduction in mail system performance. Exchange System Manager may not be able to connect the Information Store service and may display the database as offline.

CAUSE

This problem may occur if the Information Store service is leaking memory.

RESOLUTION

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

301378 XGEN: How to Obtain the Latest Exchange 2000 Server Service Pack

The English version of this fix should have the following file attributes or later:

Component: Messaging Database (MDB)

File nameVersion
Store.exe6.0.5770.97
Davex.dll6.0.5770.97
Dsaccess.dll6.0.5770.97
Dscmsg.dll6.0.5770.97
Excdo.dll6.0.5770.97
Exmgmt.exe6.0.5770.97
Exoledb.dll6.0.5770.97
Exprox.dll6.0.5770.97
Exres.dll6.0.5770.97
Exsp.dll6.0.5770.97
Exwmi.dll6.0.5770.97
Jcb.dll6.0.5770.97
Mad.exe6.0.5770.97
Mdbmsg.dll6.0.5770.97
Mdbsz.dll6.0.5770.97
Phatcat.dll6.0.5770.97

STATUS

Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server. This problem was first corrected in Microsoft Exchange 2000 Server Service Pack 3.

MORE INFORMATION

The number of private bytes for Store.exe may increase over time. To track this, monitor the following counter in the Windows NT Performance Monitor:

Object: Process
Instance: STORE
Counter: Private Bytes

Modification Type:MinorLast Reviewed:9/27/2005
Keywords:kbHotfixServer kbQFE kbbug kbExchange2000preSP3fix kbExchange2000sp3fix kbfix KB322125
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