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

Unable to generate the e-mail address; unable to load address module for this address type.


This Error event indicates that the generator file for proxy addresses for an address type could not be located in the file system.

User Action

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

  • If the file exists, verify that the system account has permissions to read the file.

  • If the file does not exist, obtain a copy of the dynamic link library file (.dll) from another server or from the Exchange Server 2010 DVD. Then copy the correct version of the .dll file of the proxy address generator to the location specified in the error.

  • If you need help, contact Microsoft Customer Support Services. For information about how to contact support, visit Microsoft Help and Support.

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.