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:

From the Operations Console, double-click this alert, and then click the General tab. Review the description of the alert that includes the variables specific to your environment.
From the Operations Console, double-click this alert, and then click the Alert Context tab. Review the logged events that meet the criteria of this Operations Manager alert.

Details

Product Name	Exchange
Product Version	14.0 (Exchange 2010)
Event ID	5002
Event Source	MSExchangeTransport
Alert Type	Error
Rule Path	Microsoft Exchange Server/Exchange 2010/Common Components/Hub Transport and Edge Transport/Transport
Rule Name	The Routing tables failed to load because Active Directory is unavailable. The system will continue to use the old instance if there is one.

Explanation

This Error event indicates the Microsoft Exchange Transport service couldn't load the routing tables because the Active Directory directory service is unavailable.

User Action

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

Make sure that the Exchange server that logged this event can communicate with one or more Active Directory servers available in the organization.
Increase the diagnostic logging level on the Routing counter of the MSExchangeTransport performance object. You can increase logging by running the following Exchange Management Shell command:

Set-EventLogLevel "MSExchangeTransport\Routing" -Level High

For more information about how to increase logging, see Set-EventLogLevel
Review other related Error and Warning events in the Application log. These related events may help you find the root cause of this error.

Important After you have finished troubleshooting this issue, return logging to the default level by running the following command:

Set-EventLogLevel -Identity "MSExchangeTransport\Routing" -Level Lowest
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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.