Topic Last Modified: 2010-02-05

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 Antispam

Alert Type


Rule Path

Microsoft Exchange Server/Exchange 2010/Common Components/Hub Transport and Edge Transport/Agents/Common

Rule Name

The Content Filter agent couldn't be initialized because notification of the file system change couldn't be initialized.


This Error indicates that Microsoft Exchange Server 2010 was unable to initialize the Content Filter agent. This event may be triggered by multiple causes. Therefore, the method by which you resolve this error will depend on what triggered this event in your particular Exchange environment. Content filtering will not be active until this error is resolved.

For information about the Content Filtering agent and the spam confidence level (SCL), see:

  • Understanding Content Filtering

  • Understanding Spam Confidence Level Threshold

User Action

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

  • 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.

  • Restart the Microsoft Exchange Transport service. To restart the service:

    1. On the Start menu, click Run, type services.msc, and then click OK.

    2. In the Results pane, find the Microsoft Exchange Transport service.

    3. Right-click the service, and then click Restart.

  • 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.