Topic Last Modified: 2010-01-27

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

MSExchange ActiveSync

Alert Type


Rule Path

Microsoft Exchange Server/Exchange 2010/Client Access/ActiveSync

Rule Name

The connection to the mailbox has failed.


This Warning event indicates that the mobile device user's connection to the Exchange mailbox failed. This event may occur if the following conditions are true:

  • The mailbox specified in the event description is damaged.

  • A whole Microsoft Exchange database is damaged. Microsoft Exchange ActiveSync was unable to find the user's mailbox on the computer that has the Mailbox server role installed.

User Action

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

  • Verify that the user can access Microsoft Office Outlook or Microsoft Outlook Web App.

  • Examine the Application log of the mailbox server. The Application log may indicate that there are damaged database or log files on the server specified in the event description.

  • Restore the database from backup.

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.