Manage on-premises mailbox moves in Exchange 2016

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S’applique à :Exchange Server 2016

Summary: Learn how to move the primary mailbox and the associated archive to the same database or to separate ones in Exchange 2016.

In Exchange 2016, users' primary mailboxes and archive mailboxes can reside on different databases. A move request is the process of moving a mailbox from one mailbox database to another. A local move request is a mailbox move that occurs within a single Active Directory forest (as opposed to a remote move request that occurs between Active Directory forests). You use the procedures in this topic for local move requests of primary mailboxes, archive mailboxes, or both in on-premises. Using the move request functionality, you can move the primary mailbox and the associated archive to the same database or to separate ones.

The following two services process your move request to move mailboxes:

  • Exchange Mailbox Replication service (MRS)

  • Exchange Mailbox Replication Proxy

The procedures in this topic will help you with on-premises mailbox moves. You can use theEnvironnement de ligne de commande Exchange Management Shell and the Centre d’administration Exchange (EAC) to move mailboxes in your on-premises organization.

For more information about the Mailbox replication service and proxy, see Learn more about MRS Proxy. For more information about mailbox moves, see Déplacements de boîtes aux lettres dans Exchange 2016.

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You can create local move requests for:

  • A single mailbox.

  • Multiple mailboxes (also known as a batch move request).

  • Multiple mailboxes that you specify in a comma-separated value (CSV) file (also known as a migration batch).

When you create local move requests in the EAC (for a single mailbox, multiple mailboxes, or multiple mailboxes specified in a CSV file), the request is visible to the Get-MigrationBatch cmdlet in the Environnement de ligne de commande Exchange Management Shell. When the request has been completed (automatically or manually), the results for each individual mailbox are visible to the Get-MoveRequest cmdlet.

To create new local move requests in the Environnement de ligne de commande Exchange Management Shell, you only use the New-MigrationBatch cmdlet for migration batches (the mailboxes are specified in a CSV file). To create local move requests that don't use a CSV file (individual mailboxes or batch move requests), you need to use the New-MoveRequest cmdlet, and these requests aren't visible to the Get-MigrationBatch batch cmdlet (or related *-MigrationBatch* cmdlets).

  1. In the EAC, go to Recipients > Migration > click Add Icône Ajouter, and then select Move to a different database.

  2. The New local mailbox move wizard opens. On the Select users page, configure one of these options:

    • Select the users that you want to move   Select one or more users:

      Note: Even if you're only interested in moving a user's archive mailbox, you select the user's primary mailbox.

      • Click Add Icône Ajouter. In the Select Mailbox dialog box that appears, select one ore more mailboxes. When you're finished, click OK.

      • To remove mailboxes from the list, select the mailbox, and then click Remove Icône Suppression.

    • Specify the users with a CSV file   Click Browse and go to the location of the comma-separated value (CSV) file that specifies the mailboxes to move. For more information about the CSV file requirements for local move requests, see Fichiers CSV pour la migration de boîtes aux lettres.

      Allow unknown columns in the CSV file

      • If you leave this check box unselected, move will ignore (silently skip) unknown columns in the CSV file (including optional columns with misspelled column headers). All unknown columns are treated like extra columns that aren't used.

      • If you select this check box, the migration fails if there are any unknown columns in the CSV file. This setting protects against spelling errors in the required and optional column headers, but the CSV file can't contain any unrelated columns.

    When you're finished, click Next.

  3. On the Move configuration page, configure these settings:

    • New migration batch name   Enter a descriptive name for the mailbox move operation.

    • Archive   Select one of these options:

      • Move the primary mailbox and the archive mailbox if one exists

      • Move primary mailbox only, without moving archive mailbox

      • Move archive mailbox only, without moving primary mailbox

    • Target database   This setting affects moves for primary mailboxes.

      • To specify the database for the primary mailbox, click Browse. In the Select Mailbox Database dialog box that appears, select the database.

      • If you don't specify a database, the automatic distribution logic in Exchange will randomly select a database in the Active Directory site.

    • Target archive database   This setting affects moves for archive mailboxes.

      • To specify the database for the archive mailbox, click Browse. In the Select Mailbox Database dialog box that appears, select the database.

      • If you don't specify a database, the archive mailbox is moved to the same location as the primary mailbox.

    • Bad item limit   Specifies the maximum number of corrupted items that are allowed in the mailbox before the request fails. The default value in the EAC is 10. Don't specify a value greater than 50 here. If you want to set the limit to 51 or higher, use the BadItemLimit parameter and the AcceptLargeDataLoss switch in the Environnement de ligne de commande Exchange Management Shell.

    When you're finished, click Next.

  4. On the Start the batch page, configure these settings:

    • After the batch is complete, a report will be sent to the following recipients.   The default value is the account that you're using to move the mailboxes. Click Browse to add or remove recipients. When you're finished, click OK.

    • Please select the preferred option to start the batch   Select one of these options:

      • Manually start the batch later

      • Automatically start the batch   This is the default value.

    • Please select the preferred option to complete the batch   Select one of these options:

      • Manually complete the batch

      • Automatically complete the migration batch   This is the default value.

    When you're finished, click New.

A local move request for an individual mailbox uses the New-MailboxMove cmdlet. But, a local move request for multiple mailboxes that doesn't specify the mailboxes in a CSV file also uses the New-MailboxMove cmdlet. A local move request for multiple mailboxes that doesn't use a CSV file is also known as a batch move request.

To create a local move request for an individual mailbox, use this syntax:

New-MoveRequest "<DescriptiveName>"] -Identity <MailboxIdentity> [<-ArchiveOnly | -PrimaryOnly>] [-TargetDatabase <DatabaseIdentity>] [-ArchiveTargetDatabase  <DatabaseIdentity>] [-Priority <PriorityValue>] [-BadItemLimit <Value>] [-AcceptLargeDataLoss]

This example creates a new local move request with these settings:

  • Mailbox   The primary mailbox and archive mailbox (if it exists) for Angela Gruber (agruber@contoso.com). If you only want to move the primary mailbox, use the PrimaryOnly switch. If you only want to move the archive mailbox, use the ArchiveOnly switch.

  • Target database for the primary mailbox   MBX DB02. If we don't use the TargetDatabase parameter, the automatic distribution logic in Exchange will randomly select a database in the Active Directory site.

  • Target database for the archive mailbox   MBX DB03. If we don't use the ArchiveTargetDatabase parameter or the PrimaryOnly switch, the archive mailbox database will be moved to the same database as the primary mailbox.

    If we use the ArchiveOnly switch without using the ArchiveTargetDatabase parameter, the automatic distribution logic in Exchange will randomly select a database in the Active Directory site.

  • Priority   Normal, because we aren't using the Priority parameter.

  • Bad item limit   10 (the default value in the Environnement de ligne de commande Exchange Management Shell is 0). Because the value is less than 51, we don't need to use the AcceptLargeDataLoss switch.

New-MoveRequest -Identity agruber@contoso.com -TargetDatabase "MBX 02" -ArchiveTargetDatabase "MBX 03" -BadItemLimit 10

This example uses similar settings, but only moves Angela's primary mailbox.

New-MoveRequest -Identity agruber@contoso.com -PrimaryOnly-TargetDatabase "MBX 02" -BadItemLimit 10

This example uses similar settings, but only moves Angela's archive mailbox.

New-MoveRequest -Identity agruber@contoso.com -ArchiveOnly -ArchiveTargetDatabase "MBX 03" -BadItemLimit 10

For detailed syntax and parameter information, see New-MoveRequest.

A batch move request uses virtually the same syntax as a move request for an individual mailbox. The main differences are:

  • You don't use the Identity parameter to specify the mailbox. Instead, you use the Get-Mailbox or Get-User cmdlets to generate the list of mailboxes that you want to move, and you pipeline the results to the New-MoveRequest cmdlet.

  • You name the batch move with the BatchName parameter.

This example creates a batch move request with these settings:

  • Mailboxes to move   All mailbox on the database named MBX DB01.

  • Batch name   MBX DB01 to MBX DB02.

  • Target database   MBX DB02. If we didn't use the TargetDatabase parameter, the automatic distribution logic in Exchange would randomly select databases in the Active Directory site.

  • Target database for archive mailboxes    MBX DB02. Because we aren't using the ArchiveTargetDatabase parameter or the PrimaryOnly switch, the archive mailbox database is moved to the same database as the primary mailbox.

    If we use the ArchiveOnly switch without using the ArchiveTargetDatabase parameter, the automatic distribution logic in Exchange will randomly select databases in the Active Directory site.

  • Priority   High

  • Bad item limit   51 (the default value in the Environnement de ligne de commande Exchange Management Shell is 0), so we also need to use the AcceptLargeDataLoss switch.

Get-Mailbox -Database "MBX DB01" | New-MoveRequest -BatchName "MBX DB01 to MBX DB02" -TargetDatabase "MBX DB02" -Priority High -BadItemLimit 51 -AcceptLargeDataLoss

For detailed syntax and parameter information, see New-MoveRequest.

A local move request for mailboxes that are specified in a CSV file is known as a migration batch, and uses the New-MigrationBatch cmdlet.

For more information about the CSV file requirements for local move requests, see Fichiers CSV pour la migration de boîtes aux lettres.

To create a migration batch, use this syntax:

New-MigrationBatch -Local [-AutoStart] [-AutoComplete] -Name "<MigrationBatchName>" -CSVData ([Byte[]](Get-Content -Encoding Byte -Path "<PathAndFileName>" -ReadCount 0)) [<-ArchiveOnly | -PrimaryOnly>] [-TargetDatabases "<MailboxDatabase1>","<MailboxDatabase1>"... [-TargetArchiveDatabases "<MailboxDatabase1>","<MailboxDatabase1>"...] [-Priority <PriorityValue>] [-BadItemLimit <Value>] [-AcceptLargeDataLoss]

This example creates a migraton batch with these settings:

  • CSV file that specifies the mailboxes to move   C:\Users\Administrator\Desktop\LocalMove 01.csv. If you only want to move the primary mailbox, use the PrimaryOnly switch, or the MailboxType value PrimaryOnly in the CSV file. If you only want to move the archive mailbox, use the ArchiveOnly switch, or the MailboxType value ArchiveOnly in the CSV file.

  • Batch name   LocalMove 01.

  • Target database   MBX DB02. If we don't use the TargetDatabase parameter, and the primary mailbox databases aren't specified in the CSV file, the automatic distribution logic in Exchange randomly selects databases in the Active Directory site.

  • Target database for archive mailboxes   MBX DB02. Because we aren't using the ArchiveTargetDatabase parameter (in the command or the CSV file), the archive mailbox database is moved to the same database as the primary mailbox.

    If we use the ArchiveOnly switch (in the command or CSV file) without using the ArchiveTargetDatabase parameter (in the command or CSV file), the automatic distribution logic in Exchange will randomly select databases in the Active Directory site.

  • When to start the migration   Immediately, because we're using the AutoStart switch. If we don't use this switch, we need to use the Start-MigrationRequest cmdlet to start the migration batch after it's created.

  • When to complete the migration   After the mailboxes complete their initial synchronization, because we're using the AutoComplete switch. If we don't use this switch, we need to use the Complete-MigrationRequest cmdlet to start the migration batch after it's created

  • Priority   Normal, because we aren't using the Priority parameter.

  • Bad item limit   10 (the default value in the Environnement de ligne de commande Exchange Management Shell is 0). Because the value is less than 51, we don't need to use the AcceptLargeDataLoss switch.

New-MigrationBatch -Local -AutoStart -AutoComplete -Name "LocalMove 01" -CSVData ([System.IO.File]::ReadAllBytes("C:\Users\Administrator\Desktop\LocalMove 01.csv")) -TargetDatabases "MBX DB02" -BadItemLimit 10

To verify that you've successfully created a local move request, do any of these steps:

  • In the EAC, go to Recipients > Migration and verify the status of the move request (note that you might need to click Refresh Icône Actualiser). You can select the move request, and see more information in the details pane, or by clicking Edit Icône Modifier.

  • In the EAC, go to Recipients > Migration and click Status For All Batches.

  • Check the notification message. The sender is Microsoft Outlook. When the move request is complete, you'll get a message with the subject Migration batch <MigrationBatchName> has completed successfully.

  • In the EAC, click the notification viewer Icône Notifications to view the status of the request.

  • In the Environnement de ligne de commande Exchange Management Shell, replace <MailboxIdentity> with the name, email address, or alias of the mailbox, and run this command to verify the basic property values:

    Get-MoveRequest -Identity <MailboxIdentity> | Format-List DisplayName,Alias,Status,*database*
    
  • In the Environnement de ligne de commande Exchange Management Shell, replace <BatchName> with the batch name value of the move request, and run this command to verify the basic property values:

    Get-MoveRequest -BatchName <BatchName> | Format-List DisplayName,Alias,Status,*database*
    

    Note: If you created the move request in the EAC, the batch name value is MigrationService:<BatchNameValueFromTheEAC>.

  • If you created the move request in the EAC, replace <BatchName> with the batch name value you specified, and run this command in the Environnement de ligne de commande Exchange Management Shell to verify summary information about all mailboxes in the move:

    Get-MigrationUserStatistics -BatchId <BatchName>
    
  • If you created the move request in the EAC, replace <EmailAddress> with the email address of the moved mailbox, and run this command to see detailed information about the specified mailbox:

    Get-MigrationUserStatistics -Identity <EmailAddress> | Format-List
    

For more information, see Get-MigrationUserStatistics.

For an example of how to use the Environnement de ligne de commande Exchange Management Shell to display a migration batch, see Example 2 in Get-MigrationBatch.

This example configures the migration endpoint, and then creates a cross-forest batch move from the source forest to the target forest using a .csv file.

New-MigrationEndpoint -Name Fabrikam -ExchangeRemote -Autodiscover -EmailAddress tonysmith@fabrikam.com -Credentials (Get-Credential fabrikam\tonysmith) 

$csvData=[System.IO.File]::ReadAllBytes("C:\Users\Administrator\Desktop\batch.csv")
New-MigrationBatch -CSVData $csvData -Timezone "Pacific Standard Time" -Name FabrikamMerger -SourceEndpoint Fabrikam -TargetDeliveryDomain "mail.contoso.com"

For more information about preparing your forest for cross-forest moves, see the following topics:

For detailed syntax and parameter information, see New-MigrationBatch and New-MoveRequest.

To verify that you have successfully completed your migration, do the following:

  • From the Environnement de ligne de commande Exchange Management Shell, run the following command to retrieve mailbox move information.

    Get-MigrationUserStatistics -Identity BatchName -Status | Format-List
    

For more information, see Get-MigrationUserStatistics.

 
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