Error upon backup

Hi there,

After running a full backup of our SBS 2008 Exchange 2007 server I get the following error:

Job Completion Status 

 

Job ended: 28 April 2013 at 03:11:02

Completed status: Failed

Final error: 0xe00002f7 - Cannot extract mailbox messages from the Exchange backup. Review the job log for more information.

Final error category: Resource Errors

 

For additional information regarding this error refer to link V-79-57344-759

 

 

Errors 

 

Click an error below to locate it in the job log

Backup- \\SERVER\Microsoft Information Store\Second Storage GroupV-79-57344-759 - Unable to complete the operation.  The following error was returned when opening the Exchange Database file:  '-4001 A read was issued to a location beyond the EOF (writes will expand the file). '

 

Backup- \\SERVER\Microsoft Information Store\First Storage GroupV-79-57344-759 - Unable to complete the operation.  The following error was returned when opening the Exchange Database file:  '-4001 A read was issued to a location beyond the EOF (writes will expand the file). '