|Message:||%1 (%2) %3Error (%4) during backup of a database (file %5). The database will be unable to restore.|
This Error event indicates that an error occurred during the online Exchange-aware backup of an Exchange store database. The cause for the online backup failure depends on the error listed in the Description section of the event. The most frequent causes are the following:
To resolve this error, do one or more of the following:
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.