%1 (%2) %3A read operation on the file “%4” at offset %5 for %6 bytes failed %7 times over an interval of %8 seconds before finally succeeding. More specific information on these failures was reported previously. Transient failures such as these can be a precursor to a catastrophic failure in the storage subsystem containing this file.

Details
Product: Exchange
Event ID: 493
Source: ESE
Version: 8.0
Symbolic Name: TRANSIENT_READ_ERROR_DETECTED_ID
Message: %1 (%2) %3A read operation on the file “%4” at offset %5 for %6 bytes failed %7 times over an interval of %8 seconds before finally succeeding. More specific information on these failures was reported previously. Transient failures such as these can be a precursor to a catastrophic failure in the storage subsystem containing this file.
   
Explanation

This Warning event indicates that a read operation failed multiple times before finally succeeding. Warnings such as these can be a precursor to a failure in the storage subsystem containing this file.

   
User Action

To resolve this warning, do one or more of the following:

  • Review the event log for hardware-related messages.

  • Run diagnostic tests on your storage hardware.

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.

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