Error message when you try to move a mailbox in Exchange Server 2016: "The migration mailbox for the organization is either missing or invalid

Symptoms
When you try to move a mailbox by using the New-MigrationBatch cmdlet in Microsoft Exchange Server 2016, you may receive an error message that resembles the following: 

Error
 
The migration mailbox for the organization is either missing or invalid.

Cause
This issue occurs if the Migration mailbox is not enabled or was deleted. 

Note To move a mailbox by using the New-MigrationBatch cmdlet, the Migration mailbox must be present and enabled.
Resolution
To resolve this issue, follow these steps:
  1. Start the Active Directory Users and Computers snap-in.
  2. Click Users, and then verify that the following account does not exist:
    Migration.8f3e7716-2011-43e4-96b1-aba62d229136

    Note If this account exists in the Users container, go to step 4.

  3. Run the following cmdlet:
    setup /preparead/IAcceptExchangeServerLicenseTerms
  4. Run the following cmdlets:
    Enable-Mailbox -Arbitration -Identity "Migration.8f3e7716-2011-43e4-96b1-aba62d229136"

    Set-Mailbox "Migration.8f3e7716-2011-43e4-96b1-aba62d229136" -Arbitration –Management:$true

References
For more information about how to move mailboxes in Exchange Server 2013, go to the following Microsoft TechNet website:

For more information about the New-MigrationBatch cmdlet in Exchange Server 2013, go the following TechNet website:


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Article ID: 2812509 - Last Review: 10/01/2015 07:26:00 - Revision: 2.0

Exchange Server 2016 Enterprise Edition, Exchange Server 2016 Standard Edition

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