Topic Last Modified: 2010-05-03

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:


Product Name


Product Version

14.0 (Exchange 2010)

Event ID


Event Source


Alert Type


Rule Path

Microsoft Exchange Server/Exchange 2010/Mailbox/System Attendant

Rule Name

Unsupported or unloadable policy group.


This Error event indicates that an Address Book View configuration failed due to one of the following conditions:

  • An unsupported policy type was found in Active Directory. Exchange 2010 currently only supports e-mail address policies and Exchange system policies.

  • The Address Book View provider could not initialize an interface to the Microsoft Exchange System Attendant.

  • There were no e-mail addresses or Exchange system policies found in Active Directory.

User Action

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

  • Review the System and Application event logs 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

  • Have the domain administrator verify that at least one domain controller is operational in the domain specified in the error.

  • If you cannot resolve this error or if you experience other problems or mail flow interruptions in the Exchange environment, contact Microsoft Product Support Services. For information about contacting support, visit the Microsoft Help and Support Web site.

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.