() File system error during IO on database . If this error persists, the database file may be damaged and may need to be restored from a previous backup.

Details
Product: Exchange
Event ID: 441
Source: ESE
Version: 6.5.6940.0
Component: Microsoft Exchange Extensible Storage Engine
Message: <process name> (<process id>) <storage group name>File system error <error code> during IO on database <name>. If this error persists, the database file may be damaged and may need to be restored from a previous backup.
   
Explanation

A file system error was reported when doing input/output (I/O) operations.

   
User Action

If the error persists, the database file may be damaged. The database needs to be restored from a previous backup.

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