Topic Last Modified: 2010-01-25

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 OWA

Rule Path

Microsoft Exchange Server/Exchange 2010/Client Access/Outlook Web Access

Rule Name

Outlook Web App failed to initialize. A file from a theme folder couldn't be parsed. Review MSExchangeOWA event 25 for the cause.


This Error event indicates that Microsoft Office Outlook Web App did not initialize because the system could not correctly parse the XML file referenced in the event description. The event may occur if any of the following conditions is true:

  • The file is corrupted.

  • The file contains invalid format or entries that are not allowed by Outlook Web App themes.

User Action

To resolve the error, replace the themes folder and the default subfolders with the files and folders that are located on the Exchange Server 2010 DVD. By default, those files and folders are located in the \Setup\ServerRoles\ClientAccess\owa\<version>\ folder of the Exchange 2010 DVD.

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.