Topic Last Modified: 2010-07-07

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	2001
Event Source	MSExchange Messaging Policies
Alert Type	Warning
Rule Path	Microsoft Exchange Server/Exchange 2010/Edge Transport/Agents/Attachment Filter
Rule Name	An error occured when loading the configuration for the Attachment Filtering Agent. The configuration may be corrupted or AD LDS may be unreachable.

Explanation

This Warning event occurs indicates that configuration information for the Attachment Filtering Agent is invalid or is corrupted. The configuration information for the Attachment Filtering Agent is stored in Active Directory Lightweight Directory Services (AD LDS).

User Action

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

Review the Application log and System log on your Exchange 2010 servers for related events. For example, events that occur immediately before and after this event may provide more information about the root cause of this error.
Review Operations Manager for detailed information about the cause of this problem. For more information, see the "Introduction" section in this article.
Make sure that the server that is running Exchange that logged this event can communicate with one or more Active Directory servers that are available in the organization.
Increase the diagnostic logging level on the Rules counter of the MSExchange Messaging Policies performance object. You can increase logging by running the following Exchange Management Shell command:

Set-EventLogLevel "MSExchange Messaging Policies\Rules" -Level High
Review other related Error events and Warning events in the Application log. These related events may help you find the cause of this problem.

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

Set-EventLogLevel "MSExchange Messaging Policies\Rules" -Level Lowest
Resolve your issue by using self-support options, assisted support options, and other resources. You can access these resources from the Exchange Server Solutions Center. From this page, click Self-Support Options in the navigation pane to use self-help options. Self-help options include searching the Microsoft Knowledge Base, posting a question at the Exchange Server forums, and others. Alternatively, in the navigation pane, you can click Assisted Support Options to contact a Microsoft support professional. Because your organization may have a specific procedure for directly contacting Microsoft Technical Support, be sure to review your organization's guidelines first.

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.