process name (process id) nameThe backup database %4 must be a multiple of 4 KB.

Details
Product: Exchange
Event ID: 438
Source: ESE
Version: 6.5.0000.0
Message: process name (process id) nameThe backup database %4 must be a multiple of 4 KB.
   
Explanation
The corruption of data may have occurred during the backup or restore process, causing the database file to be truncated to a size that is not a multiple of this unit’s size.
   
User Action
Try the restore process again. If the problem persists, then this backup may be corrupted and an earlier backup should be used.

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