|Message:||%1 (%2) %3File system error %5 during IO on database %4. If this error persists, the database file may be damaged and may need to be restored from a previous backup.|
This Warning event indicates that a file system error was reported when doing I/O operations. If the warning persists, the database file may be damaged.
To resolve this warning, restore the database from a previous backup.
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.