
There are generally three different methods to resolve this error. Problem with DNS configuration as well as DNS settings.A slow and poor network connection between the client and the server.When the mailbox is migrated to another version of Exchange.When users try to reset the Exchange, mailbox keeping the cached Exchange mode enabled, a new OST file is created by MS Outlook and retains the old offline OST data on the local system.When the cached copy of mailbox in Outlook is different than the one in MS Exchange.There are many possible reasons due to which the “Exchange is currently in recovery mode” error occurs. Reasons for the Error “Exchange is Currently in Recovery Mode”


However, sometimes users face an error “Exchange is currently in recovery mode” error while synchronizing the OST file with Exchange Server. The cached Exchange Mode facilitates offline working. With cached Exchange mode, Outlook creates a copy of OST data on the local machine in OST file format which stores all the items that are already on the Exchange Server. Cached Exchange Mode is one of the best features that Exchange/Outlook offers to its users.
