Topic Last Modified: 2010-04-29

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

System Attendant is unable to generate an e-mail address of particular type.


This Error event indicates that one of the e-mail address policy proxy dynamic-link library (.dll) files failed to generate a proxy e-mail address.

User Action

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

  • Make sure that you have the appropriate .dll files for the type of e-mail address that you are trying to generate. Exchange 2010 does not provide unique dialog boxes or property pages for X.400, GroupWise, or Lotus Notes e-mail address types. If you do not provide the appropriate .dll files, you will not be able to create a customized e-mail address policy. For more information, see Create an E-Mail Address Policy.

  • 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.

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.