Complete migration batch with PowerShell

How to complete a migration batch with PowerShell in Exchange Online manually? You created new batches and the mailboxes are in sync between Exchange On-premises and Exchange Online. To finish the migration, you need to complete the batches. After that, the destination of the mailbox is in Exchange Online. In this article, you will learn how to complete a migration batch in Office 365 with PowerShell.

What if you want to complete an individual mailbox from the migration batch? Read more in our article complete individual mailbox move request from migration batch

Get migration batch

Run and connect to Exchange Online PowerShell. Run the cmdlet Get-MigrationBatch to get the migration batches. There are two migration batches created. Both batches are in sync between the Exchange organizations (On-premises and Online).

PS C:\> Get-MigrationBatch

Identity           Status Type               TotalCount
--------           ------ ----               ----------
Migration Batch 01 Synced ExchangeRemoteMove 5
Migration Batch 02 Synced ExchangeRemoteMove 13

Complete migration batch

Run the cmdlet Complete-MigrationBatch to complete the migration batch in Office 365.

PS C:\> Complete-MigrationBatch -Identity "Migration Batch 01"

A message will show if you are sure, click Yes to All.

Do you get a bad encountered confirmation prompt? Read the article Complete mailbox migration with bad items.

If you don’t want to show the confirmation prompt and immediately start completing the migration batch, add –Confirm:$False switch at the end of the cmdlet. It will look like the following.

PS C:\> Complete-MigrationBatch -Identity "Migration Batch 01" -Confirm:$False

Verify batch move request

PS C:\> Get-MoveRequest –BatchName "MigrationService:Migration Batch 01" | Get-MoveRequestStatistics

DisplayName     StatusDetail    TotalMailboxSize               TotalArchiveSize PercentComplete
-----------     ------------    ----------------               ---------------- ---------------
Curt Berry      IncrementalSync 67.87 MB (71,171,939 bytes)    0 B (0 bytes)    95             
Stan Benitez    WorkItemPickup  48.22 MB (50,562,011 bytes)    0 B (0 bytes)    95
Steven Lyman    IncrementalSync 322.8 MB (338,493,950 bytes)   0 B (0 bytes)    95            
Julia Thomson   IncrementalSync 1.768 GB (1,897,912,196 bytes) 0 B (0 bytes)    95            
Amelia Springer WorkItemPickup  1.147 GB (1,231,440,391 bytes) 0 B (0 bytes)    95

Run the Get-MoveRequest cmdlet to check the mailbox move request status of the batch.

If you have configured your email when creating the batches, you will get an email when it’s completed. If you didn’t do that or you like to keep track with PowerShell, keep running the cmdlet. In the end it needs to show PercentComplete: 100% for all the mailboxes.

PS C:\> Get-MoveRequest –BatchName "MigrationService:Migration Batch 01" | Get-MoveRequestStatistics

DisplayName     StatusDetail TotalMailboxSize               TotalArchiveSize PercentComplete
-----------     ------------ ----------------               ---------------- ---------------
Curt Berry      Completed    67.87 MB (71,171,939 bytes)    0 B (0 bytes)    100            
Stan Benitez    Completed    48.22 MB (50,562,011 bytes)    0 B (0 bytes)    100            
Steven Lyman    Completed    322.8 MB (338,493,950 bytes)   0 B (0 bytes)    100            
Julia Thomson   Completed    1.768 GB (1,897,912,196 bytes) 0 B (0 bytes)    100            
Amelia Springer Completed    1.147 GB (1,231,440,391 bytes) 0 B (0 bytes)    100

Run Get-MigrationBatch cmdlet to verify if the batch is completed.

PS C:\> Get-MigrationBatch

Identity           Status    Type               TotalCount
--------           ------    ----               ----------
Migration Batch 01 Completed ExchangeRemoteMove 5
Migration Batch 02 Synced    ExchangeRemoteMove 13

The migration batch is completed successful to Exchange Online.

Conclusion

In this article, you learned how to complete the migration batch manually with PowerShell. Run Exchange Online PowerShell to manage the Exchange Online settings from the command line. Get the batch names, after that complete the mailbox migration batch.

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