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Potential Solutions to Recover Corrupted Mailbox of Exchange Server 2010

Ugra Narayan Pandey | Modified: 2021-11-25T04:04:45+00:00| Error | 5 Minutes Reading

The collaborative platform pairing of Exchange Server 2010 and Outlook has emerged to be a successful one. It is adopted by most of the business organization to enhance their overall performance. With Outlook® that has gained the reputation of a proficient email-client and Personal Management Tool, the functionality of Exchange Server has been increased. The integral component of the Exchange Server is mailbox databases and public folder databases.

The mailbox databases consist of data definitions, data, indexes, checksums etc. Mailbox databases contain those data which are personal to an individual user. The Exchange Server uses mailbox databases to maintain user database that are contained in the EDB files.

Corruption of Mailbox in Exchange Server 2010

Sometimes, it may happen that the mailbox gets corrupted and this would lead to the loss of entire database. The corruption may occur due to several reasons like virus or malware attacks, sudden shutdown of Exchange Server, increased growth in the size of EDB files, corrupted files in EDB database etc. Although all these corruption issues hardly occur, but there needs to be a solution to get prepared for such kind of situations.

Methodologies that Work In Mailbox Corruption

To recover the data from corrupted Mailbox of Exchange Server, following methodologies can be adopted.

  1. One of the ways is to recover the Mailbox by using Exchange server command
  2. The second one is recovering from the offline Outlook data files (OST)

Let us discuss the two methods in details…

discuss the two methods in details…

#1: Execute the In-built Exchange Server Command

Prior to Exchange 2010, Isinteg was one of the competent programs to remove the inconsistencies associated with the Exchange database. However, with Exchange server Service Pack1, Isinteg tool was replaced by functionality: New-MailboxRepairRequest cmdlet. This command can be run against a mounted database unlike Isinteg which required dismounting the database.

The command can repair corruption from an individual mailbox or from the entire database. It searches for the corruption among the folders and fixes them one by one. The New-MailboxRepairRequest cmdlet detects and repairs the following types of mailbox corruptions:

  • Searches for the folders which are prone to corruption and repairs them one by one
  • Checks out folders in ptagRecursiveSearchFIDs, ptagSearchBacklinks, ptagSearchFIDs and deletes the non-existent folders
  • Examines folder corruptions by employing the SearchFolder value of  CorruptionType parameter
  • Synthesizes counts on folders which are not showing correct values by deploying the AggregateCounts value of  CorruptionType parameter
  • Views on folders that are not rendering  accurate content  by employing  FolderView value of CorruptionType parameter
  • Provisioned folders which are inaccurately referring to the parent folders are repaired by using the ProvisionedFolder value of the CorruptionType parameter

After executing the command New-MailboxRepairRequest cmdlet, an output is displayed with the values like RepairTaskID, Mailbox, Server, and Database. Finally, the items of the corrupt Mailbox are recovered.



Note #   In case of the command line utility New-MailboxRepairRequest cmdlet, user can have one database-level repairing request and 100 active mailbox level repairing requests working on a single server.

#2: Recovery from the OST file in Outlook

Quick Facts about OST Files

  • OST files (Outlook Data Files) stores all your messages and other items of the Exchange server Mailbox on your computer by using the default Cached Exchange Mode
  • This cached exchange mode works in by replicating a copy of the exchange server mailbox on the local hard drive

How can the Offline Storage Table File help a user?

OST carry the replicas of the Exchange Server 2010 Mailbox folders. The email client Outlook® routinely creates an OST when a MAPI profile is configured in order to enable Offline access. When Outlook creates an OST file, it adds all the folders which include Inbox, Sent items, Outbox, Notes, etc. These folders allow the user to work on it even when the server is disconnected.

They allow moving a folder from a server location, working with the contents of the folder when you are not connected to the network. When the connection gets active again, the folder gets updated automatically and its corresponding server folder is updated in order to make the contents of both folders same. This process is known as synchronization of folders.

Corruption Scenarios

When the Mailbox of Exchange Server gets corrupted, the OST file in Outbox automatically becomes inaccessible. To recover the inaccessible, orphaned, or corrupted OST files the best possible solution is to recover them and convert those into PST files. This can be done only with the help of a third-party solution. A number of third –party solutions are available in the market which can recover an inaccessible, corrupted or orphaned OST files.

OST Recovery tools offer an efficient solution for accelerated recovery of inaccessible /orphaned or corrupted OST files. The tool offers an additional benefit to recover the OST files into multiple file formats for their better accessibility in number of platforms. Read More – (https://www.recovery-tools.org/exchange-ost/)