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Fix Mailbox exceeded maximum number of corrupted items error – Quick Solution

Published on 10 May 17
In this article, I am going to demystifying the error that comes when user migrates from one exchange version to other. What are the reasons for Mailbox exceeded the maximum number of corrupted items error? Quick Solution to resolve the error manually and using the automated solution.

The exchange is the most popular mail server developed by Microsoft Inc. When user desired to migrate its previous exchange version with the newer one. The process of migration is critical, need high attention & care with expertise while moving from old version to update one. If the process is not performed with needed attention then there might be the possibility of occurrence of error.

The mailbox exceeds the maximum number of corrupted items that were specified for this move request. This error generally appears when admin runs Get-MoveRequestStatistics cmdlet to review the status of a mailbox migrate process.

The Reasons for Exchange Mailbox Corruption Error

There are certain reasons behind the mailbox exceeds the maximum number of corrupted items

  1. When the mailbox migration request is performed on the server & it fails because exchange server database is in offline mode.

  2. The second most critical reason is that the number of mailbox migrated exceeds the default or set limit. If the request is made beyond the set limitation then migration process is halted itself. You are unable to perform the migration to old exchange versions to newer one.

The above-mentioned reasons are most common based on observation.
Quick Hacks To Resolve Mailbox exceeded maximum number of corrupted items error

Manually Increase the Limit of Exchange limit of corrupted items using the Powershell

Powershell is the foremost important utility to perform the complex operations of exchange server.

But usually people prefer to use the graphical interface because it is more easier than using Powershell. One needs the expertise in handing the live exchange environment using the Powershell. If any wrong command inputs ultimately results into corruption or lost complete mailbox data.

  1. Run the Powershell with admin rights.

  2. Type the command Get-MoveRequest and Press Enter will enlisted all the mailboxes that failed during the migration process.

  3. Then Execute the Command Set-MoveRequest with desired value 50 or 100

  4. AcceptLargeDataLoss switch is required if you sets limit of BadItems around 50.

Repair Exchange Mailbox data using the Exchange Inbuilt Utility.

ESEUTIL is the inbuilt utility provided by the Microsoft Exchange Server to to repair the corrupt edb mailboxes. To use this utility you must have the administrator rights and some good technical knowledge about the exchange server Powershells commands.

Command: – eseutil /p c:\program files\exchsrvr\mdbdata\priv1.edb

Classified the Mailbox Corrupt Items and Remove them from the Isolation or Quarantine state

This might be given the last priority while resolving this error because When we turn off the isolation option then there might be the possibility that corrupted items get also migrated.

  1. Use this command to get the GUID of Corrupted Mailbox

    Get-mailbox-statistics-identity and hit F1

  2. Search the following registry and change the key which is related to listed GUID

    HKLM\SYSTEM\CurrentControlSet\Services\MSExchangeIS\Private-<db-guid>\Quarantinemailboxes\ <the mailbox guid>

  3. Restart the IIS with the following command iisreset

Fix Mailbox exceeded maximum number of corrupted items error – Quick Solution - Image 1

The Most Pragmatic Solution to Fix Mailbox exceeded maximum number of corrupted items error

As the manual process is so sophisticated although it is free. There is always remains the possibility that data get corrupted or loss while following the traditional approach. If at any stage wrong input given result into subsequent loss of Mailbox data. If you feels fear about data loss then you can go with the most preferred solution by Revove to repair corrupt exchange mailbox data.

It is the complete package of advanced features which can easily tackle the corruption issues of exchange mailbox and facilitates you to recover the edb data in important file formats such as PST, EML, MSG, PDF and HTML.
Few More words at End
Using the manual methods is always the best choice if you have sound knowledge of Powershells commands and expertise in handling the events of exchange server. But What has to do if anyone does have good practical knowledge of exchange server cmdlet. Then In this case use of an automated solution is more feasible then losing the crucial data when using the traditional method with improper cmdlet commands.
This blog is listed under Telecommunications and Server & Storage Management Community

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  1. 19 June 18

    EdbMails EDB to PST Converter Software which allow you to nicely Recover EDB emails mailbox to PST File as well as repair corrupt exchange server database.It can easily findthe EDB location and fix all the issues of EDB file to makes it useable into outlook file. It gives the complete examination of Exchange Databases files to recover and alteration process.This tool can easily export exchange mailbox to PST from Outlook Without distressing the size of Exchange EDB files and easily convert EDB files into PST, EML, MSG, Text and HTML file format with convert all reclaimed Email items into outlook file with along email header, email equities or attachments too. Splitting the generous size of PST file up to 20GB or more during conversion time. • Easily converts EDB to PST files &Restore deleted mailboxes directly from EDB file. • It is compatible with all MS Outlook 2000, 2002, 2003, 2007, 2010, 2013 and latest 2016. • It compatible with all the windows OperatingSystems like Windows XP, Vista, 7, 8, 8.1 and 10. • Also, it provides recovery of all the attachments including contacts and calendar. EdbMails EDB to PST Converter is the only available software which allows you to convert and export Online as well Offline, both, EDB file to PST format. For more information visit:

  2. 12 May 17

    Exchange Server Recovery is capable to repair and restore corrupt EDB mailboxes and gets back unreachable mailboxes. It is the all-in-one utility that recovers attachments, emails, calendars, contacts and tasks from inaccessible EDB files. You may either connect all or single mailbox to Exchange Server as per your specific needs. You may use Console.exe to export the files to mailbox after recovery for MS Exchange version 2007, 2010, 2013 and 2016 to allow disconnected mailboxes to access Full Mailbox. Read full details at:

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