|Message:||%1 (%2) %3An attempt to read from the file “%4” at offset %5 for %6 bytes failed after %10 seconds with system error %8: “%9”. The read operation will fail with error %7. If this error persists then the file may be damaged and may need to be restored from a previous backup.|
This Warning event indicates that an unexpected error occurred while reading the file specified in the message. ESE Event ID 481 refers to a failed read attempt from the database. For comparison, ESE Event ID 482 refers to a failed write operation to a log file or a database.
The cause depends on the error number in the Description section of the event. The most common error codes for event 481 are as follows:
To resolve this warning, 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.