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Move arbitration mailboxes in Exchange Server

How to move arbitration mailboxes in Exchange Server 2010/2013/2016/2019? It’s recommended to move the arbitration mailboxes to the highest Exchange Server version in the organization. If you are installing the same version of Exchange Server, you don’t have to move the arbitration mailboxes to it.

When to move arbitration mailboxes

  • You like to remove a mailbox database. If you don’t move the arbitration mailboxes, you cannot delete the mailbox database.
  • You have installed a higher version of Exchange Server in the organization.
  • You want to decommission the Exchange Server that is hosting the arbitration mailboxes.

Arbitration mailboxes are system mailboxes that are used for storing different types of system data and for managing messaging approval workflow.

Get arbitration mailboxes in Exchange environment

Log in to the latest version of Exchange Server. For example, if you have an Exchange Server 2010 and Exchange Server 2016. Log in to Exchange Server 2016. Run Exchange Management Shell as administrator. In my example, it’s Exchange Server 2016.

Run Set-ADServerSettings cmdlet including the -ViewEntireForest parameter. This will let you view the objects in the entire forest. Get the arbitration mailboxes. The arbitration mailboxes are configured in the default mailbox database after installing Exchange Server. If you did rename the Exchange Server default mailbox database, you will see that name.

Find mailbox database in Exchange Server

Before moving the arbitration mailboxes, you have to check what the name of the mailbox database is. It’s good to check if the mailbox database is mounted. Make use of the Get-MailboxDatabase cmdlet. The -IncludePreExchange switch will return information regarding your Exchange Server version and earlier Exchange versions.

An example of what the -IncludePreExchange switch does for you. You have Exchange Server 2010 and Exchange Server 2016 running in the organization. If you run the Get-MailBoxDatabase cmdlet from Exchange Server 2016, it will show you only the databases running in Exchange Server 2016. If you use the -IncludePreExchange switch, it will show you the Exchange Server 2010 mailbox databases.

In the next part, you are going to move the arbitration mailboxes to another mailbox database.

Move arbitration mailboxes in Exchange to another database

You don’t have to separate the arbitration mailboxes in different mailbox databases. In fact, I recommend you to move the arbitration mailboxes to one mailbox database. For example, the mailbox database DB02.

Read more: Create mailbox database in Exchange Server 2016 »

Moving arbitration mailboxes is the same as moving mailboxes to another database. The difference is that you use the -Arbitration parameter.

Check the progress of the arbitration mailboxes move requests.

Verify if the arbitration mailboxes are moved successfully to the target database.

To clean it up, remove completed move requests. The first cmdlet will remove the completed move requests. If you like to remove all the move requests, use the second cmdlet.

Did this help you to find and move arbitration mailboxes in Exchange Server 2010/2013/2016/2019?

Conclusion

In this article, you learned how to move arbitration mailboxes in Exchange Server. First, check if the arbitration mailboxes are present and in which mailbox databases. After that, find the mounted mailbox databases. As of last, move the arbitration mailboxes to the mounted mailbox database. Remember to move the arbitration mailboxes to the highest version of the Exchange Server.

Did you enjoy this article? You may also like Install Cumulative Update Exchange 2016. Don’t forget to follow us and share this article.

ALI TAJRAN

ALI TAJRAN

ALI TAJRAN is a passionate IT Architect and IT Consultant. His specialism is designing and building complex enterprise environments. He started Information Technology at a very young age, and his goal is to teach and inspire others. Connect with ALI TAJRAN on social media. Read more »

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