Topic Last Modified: 2010-02-18

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

At least one file couldn't be processed. These files have been tagged with .bad extensions. Look for .bad files, and verify the content is valid.


This Error event indicates that one or more message files that have been classified as badmail exist in the Pickup directory or in the Replay directory. A message that is classified as badmail has serious formatting errors that prevent the Pickup directory or the Replay directory from submitting the message for delivery. Message files that are determined to be badmail are left in the Pickup directory or the Replay directory and are renamed from filename.eml to filename.bad.

User Action

To resolve this error, do one of the following:

  • If you want to discard the message files that have been classified as badmail, you can simply delete the message files from the specified location.

  • If you want to fix and resubmit the message files that were classified as badmail, follow these steps:

    1. Move the message files that have been classified as badmail from the specified directory to a different location.

    2. Change the file name extensions from .bad to .eml.

    3. Resolve the errors in the message files.

    4. Copy the message files back into the specified directory for delivery.

For more information, see Understanding the Pickup and Replay Directories.

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.