Topic Last Modified: 2010-01-28

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/Common Components/Hub Transport and Edge Transport/Transport

Rule Name

The route to the source transport or MTA server for the specified connector couldn't be found in the routing tables.


This Error event indicates that the Microsoft Exchange Server 2010 transport routing engine cannot route messages through the connector specified in the event description. Exchange has ignored the source transport server. This event may occur when one of the following conditions is true:

  • The source transport server specified on the connector is not valid.

  • The source transport server is not routable. For example, the source transport server cannot be found in the routing tables.

User Action

To resolve this error, follow one or more of these steps:

  • Make sure that you have correctly configured the source transport server on the connector specified in the event description. For information about how to configure connectors, see Managing Connectors

  • Verify that a clear Active Directory directory service site or routing group connector route exists to the servers specified in the connector.

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.