The installation of update %1 failed with error %2

This Error event indicates that an anti-spam update could not be installed because of the error condition specified in the event description. This event occurs when anti-spam updates are not loaded.

This may be caused when the update service cannot replace the anti-spam data files.

To resolve this error, follow these steps:

• Re-apply the update specified in the event description.

• Review the WindowsUpdate.log file for information that could indicate the cause of the problem. By default, WindowsUpdate.log is located in the C:\Windows directory, where C:\ is the directory where you installed Windows Server®.

For more information about anti-spam updates, see the following topics:

• Anti-Spam Updates

• How to Configure Anti-spam Automatic Updates

If you are not already doing so, consider running the tools that Microsoft Exchange offers to help administrators analyze and troubleshoot their Exchange environment. These tools can help you make sure that your configuration is in line with Microsoft best practices. They can also help you identify and resolve performance issues, improve mail flow, and better manage disaster recovery scenarios. Go to the Toolbox node of the Exchange Management Console to run these tools now. For more information about these tools, see Toolbox in the Exchange Server 2007 Help.