Move new mailbox from on-premises to Exchange Online with PowerShell - Exchange Hybrid new mailbox moves

If your running Exchange Hybrid then you need to create your mailboxes on premises first and then sync them to AzureAD/Office365/EXO. 

Now in my case this was a manual task, and ofcourse this was forgotten too often.
So I created this script, to automate the move.
I'm still looking for the way to let the moves be visible in the EAC, it's something with New-MigrationBatch and Start-MigrationBatch.
I just didn't find the time yet to mess with it.

If you have the right method to make this possible, drop a line below.

For now this is how I do it (this needs to run from an Exchange server on-premises or a management server with the Exchange Management Tools installed):

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# Load Exchange modules and snapin add-pssnapin microsoft.exchange.management.powershell.snapin . $env:ExchangeInstallPath\bin\RemoteExchange.ps1 # Connect to local Exchange server Connect-ExchangeServer -auto -AllowClobber # Import EXO module Import-Module -Name ExchangeOnlineManagement # Get the current date $Date = Get-Date -format dd-MM-yyyy # Get mailboxes created in the last 7 days $mailboxes = Get-Mailbox | Where-Object {$_.WhenCreated –ge ((Get-Date).Adddays(-7))} ` | Select UserPrincipalName,identity,samaccountname # Get on-prem credentials $onpremcred = Get-Credential domain\username # Set the proxy for the connection to EXO netsh winhttp set proxy proxy-server="http=proxy.domain.lan;https=proxy.domain.lan:8080" ` bypass-list="*.domain.lan;10.*" # Connect to EXO Connect-ExchangeOnline -UserPrincipalName username@domain.nl # Show the mailboxes to move $mailboxes # Create a move request per found mailboxes foreach ($mailbox in $mailboxes) { $username = $mailbox.Samaccountname $moverequestbatch = New-MoveRequest -Identity $mailbox.SamAccountName -remote ` -RemoteHostName hybridserver.domain.nl -TargetDeliveryDomain tenantname.mail.onmicrosoft.com ` -RemoteCredential $OnPremCred -BatchName "MigrationService:$username" <# === This piece is experimental === #$migrationEndpointOnPrem = tenantname.domain.nl-endpoint #$OnboardingBatch = New-MigrationBatch -Name $username -SourceEndpoint ` $MigrationEndpointOnprem.Identity -TargetDeliveryDomain tenantname.mail.onmicrosoft.com ` -CSVData ([System.IO.File]::ReadAllBytes("C:\Users\Administrator\Desktop\RemoteOnBoarding1.csv")) #Start-MigrationBatch -AutoStart -Name -AutoComplete -Identity $OnboardingBatch.Identity #> } # Reset the proxy netsh winhttp reset proxy <# # Some command to check your moves Get-MoveRequest Get-moverequest | Get-moverequeststatistics Get-MoveRequest | Select batchname Get-MoveRequest -MoveStatus Completed | Remove-MoveRequest -confirm:$false Get-MoveRequest -MoveStatus CompletedWithWarning | Remove-MoveRequest -confirm:$false #>