Topic Last Modified: 2010-02-15

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	2160
Event Source	MSExchange ADAccess
Alert Type	Warning
Rule Path	Microsoft Exchange Server/Exchange 2010/Common Components/Active Directory Access
Rule Name	A recipient object in Active Directory isn't valid. It has been removed from the result set.

Explanation

This Warning event indicates that the recipient object specified in the event description is in an inconsistent state. An inconsistent state means that one or more attributes of the specified recipient object contain corrupted or invalid values. A recipient object is considered a Fully Consistent object if the following conditions are true:

All its attributes contain valid values.
These values are consistent with other attributes.

This event indicates that the specified recipient object is inconsistent and will be ignored.

User Action

To resolve this warning, do the following:

Increase diagnostic logging so that you can determine which attributes or properties contain invalid values. Specifically, increase the diagnostic logging level on the Validation counter of the MSExchange ADAccess performance object to High. For detailed information about how to increase logging, see Manage Diagnostic Logging Levels.
Review the additional MSExchangeADAccess events in the Application log to determine which attributes or properties contain invalid values.

Important After you have completed troubleshooting this issue, return logging to the default level, Lowest.

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.