Keeping the possibility of Exchange database corruption in mind, Microsoft has incorporated some database repairing mechanisms with every version of exchange. In Exchange 2010 and 2013, this mechanism operates through Exchange Management Shell cmdlets. Two cmdlets— New-MailboxRepairRequest and New-PublicFolderDatabaseRepairRequest—helps you detect and fix issues with Exchange mailboxes and public folders with remarkable ease. Read more...http://www.edbtopstutility.org/blog/easy-ways-to-repair-corrupt-exchange-databases-and-mailboxes/