Topic Last Modified: 2010-04-26

The Microsoft Exchange Server 2010 Management Pack for System Center Operations Manager monitors the Windows Application log on computers running Exchange 2010 and generates this alert when the events specified in the following Details table are logged.

To learn more about this alert, in Operations Manager, 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 logged events that meet the criteria of this Operations Manager alert.

Details

Product Name	Exchange
Product Version	14.0 (Exchange 2010)
Event ID	9371
Event Source	MSExchangeSA
Alert Type	Warning
Rule Path	Microsoft Exchange Server/Exchange 2010/Mailbox/System Attendant
Rule Name	OABGen received an error while generating the differential offline address book file.

Explanation

This Error event indicates that the offline address book (OAB) generation (OABGen) failed to retrieve some parts of the previous version of the OAB while generating the differential OAB file.

User Action

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

Review the Application log for related events. For example, events that occur immediately before and after this event may provide more information about the root cause of this error.
If this event has been logged more than once for the same file, check the file permissions in the OAB distribution point. To locate the file path location for the OAB Web-based distribution point, use the Exchange Management Shell to run the Get-OABVirtualDirectory cmdlet. To locate the file path location for the OAB public folders-based distribution point, use the Exchange Management Shell to run the Get-PublicFolder cmdlet.

For More Information

If you are not already doing so, consider running the Exchange tools created to help you analyze and troubleshoot your Exchange environment. These tools can help make sure that your configuration aligns with Microsoft best practices. They can also help you identify and resolve performance issues, improve mail flow, and better manage disaster recovery scenarios. To run these tools, go to the Toolbox node of the Exchange Management Console. To learn more about these tools, see Managing Tools in the Toolbox.