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Incorrect registry value specified

 

Topic Last Modified: 2007-11-16

The Microsoft Exchange Server 2007 Management Pack for Operations Manager monitors the Windows Application log on computers that are running Exchange Server 2007 and generates this alert when the event or events specified in the following Details table are logged.

To learn more about this alert, if you are using Microsoft Operations Manager 2005, do one or more of the following:

  • From the Operator Console, select this alert, and then click the Properties tab. Review the description of the alert that includes the variables specific to your environment.

  • From the Operator Console, click the Events tab, and then double-click the event in the list for which you want to review the event description. Review the events that have been logged that meet the criteria of this Operations Manager alert.

To learn more about this alert, if you are using System Center Operations Manager 2007, do one or more of the following:

  • From the Operations Console, double-click this alert, and then click the General tab. Review the description of the alert that includes the variables specific to your environment.

  • From the Operations Console, double-click this alert, and then click the Alert Context tab. Review the events that have been logged that meet the criteria of this Operations Manager alert.

 

Product Name

Exchange

Product Version

8.0 (Exchange Server 2007)

Event ID

9645

Event Source

MSExchangeIS*

Alert Type

Warning

MOM Rule Path

Microsoft Exchange Server/Exchange 2007/Mailbox/Information Store

MOM Rule Name

Incorrect registry value specified.

This Error event indicates that the registry value was set to zero and was therefore reset to the default value. This Error event only occurs if the registry value is set to zero. This registry setting only affects non-system user accounts. The most used values are objtMessage and objtFolder. Setting these to less than default values can minimize the effect caused by many users who run tools that crawl their mailboxes indexing or scanning items for virus infections.

To resolve this error, do one or more of the following:

Caution   Incorrectly editing the registry can cause serious problems that may require you to reinstall your operating system. Problems resulting from editing the registry incorrectly may not be able to be resolved. Before editing the registry, back up any valuable data.

  1. Locate the registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeIS\ParametersSystem\MaxObjsPerMapiSession for the value listed in the error.

  2. By default, these values use a hard-coded maximum value and have no registry setting. Query your internal documentation to determine why this registry value was configured and why the value was set to zero. The minimum valid value is one. If you set this registry value, you must use a value of more than zero and not more than the maximum. The maximum values for keys are:

    • objtFolder   = 500

    • objtMessage   = 250

    • objtAttachment   = 500

    • objtFolderView   = 500

    • objtMessageView   = 500

    • objtAttachView   = 500

    • objtStream   = 250

    • objtACLView   = 50

    • objtRulesView   = 50

    • objtFXSrcStrm   = 50

    • objtFXDstStrm   = 50

    • objtCStream   = 50

To search the Microsoft Knowledge Base articles based on criteria that generated this alert, visit the Search the Support Knowledge Base (KB) Web site.

To review Exchange 2007 event message articles that may not be represented by Exchange 2007 alerts, see the Events and Errors Message Center.

If you are not already doing so, consider running the tools that Microsoft Exchange offers to help administrators analyze and troubleshoot their Exchange environment. These tools can help you make sure that your configuration is in line with Microsoft best practices. They can also help you identify and resolve performance issues, improve mail flow, and better manage disaster recovery scenarios. Go to the Toolbox node of the Exchange Management Console to run these tools now. For more information about these tools, see Toolbox in the Exchange Server 2007 Help.

 
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