%1 (%2) %3The backup database %4 must be a multiple of 4 KB.

Details
Product: Exchange
Event ID: 438
Source: ESE
Version: 8.0
Symbolic Name: BAD_BACKUP_DATABASE_SIZE
Message: %1 (%2) %3The backup database %4 must be a multiple of 4 KB.
   
Explanation

This Warning event indicates that the corruption of data may have occurred during the backup or restore process. This corruption has caused the database file to be truncated to a size that is not a multiple of 4 KB.

   
User Action

To resolve this warning, try the restore process again. If the problem persists, then this backup may be corrupted and an earlier backup should be used.

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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