CPU usage increases, and poor performance occurs when Outlook Web Access uses SSL to connect to an Exchange 2003 computer in a cluster

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Article ID: 843226 - View products that this article applies to.
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SYMPTOMS

When you configure Microsoft Outlook Web Access to use a Secure Sockets Layer (SSL) connection to a Microsoft Exchange Server 2003 computer, you may notice a dramatic increase in CPU usage by the Lsass.exe process and by the Resrcmon.exe process. This problem occurs on an Exchange 2003 computer that is running in a Microsoft Windows Server 2003-based cluster.

Additionally, an Error event that is similar to the following is logged in the Application log:

Event Type: Error
Event Source: MSExchangeCluster
Event Category: Services 
Event ID: 1014
Date: Date
Time: Time
User: N/A
Computer: Computer Name
Description: Exchange HTTP Virtual Server Instance - (GENESIS): IsAlive checking for this resource failed due to timeout

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft Exchange Server 2003. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
836993 How to obtain the latest updates and service packs for Exchange Server 2003

Hotfix information

A supported hotfix is 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 software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if 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. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

No prerequisites are required.

Restart requirement

You must restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

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.
Date         Time   Version            Size    File name
--------------------------------------------------------------
09-Apr-2004  03:05  6.5.6980.80        18,432  Exhotfix.dll     
28-May-2004  19:33  6.5.6980.90       132,096  Exres.dll        
03-Jun-2004  22:31                      1,690  Exhotfix.cdf
09-Apr-2004  03:05  6.5.6980.80        18,432  Exhotfix.dll

WORKAROUND

To work around this problem, disable the SSL connection, and then restart the server.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was corrected in Exchange Server 2003 Service Pack 1 (SP1).

MORE INFORMATION

For additional information, click the following article numbers to view the articles in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
817903 New naming schema for Exchange Server software update packages

Properties

Article ID: 843226 - Last Review: October 25, 2007 - Revision: 3.3
APPLIES TO
  • Microsoft Exchange Server 2003 Standard Edition
  • Microsoft Exchange Server 2003 Enterprise Edition
Keywords: 
kbautohotfix kbqfe kbfix kbbug kbexchange2003presp1fix kbhotfixserver KB843226

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