migrate mailbox one at a time from a task

#list all migration job:

Get-MoveRequest

#choose to migrate one account out of a task:

Get-MoveRequest [email protected] |Set-MoveRequest -SuspendWhenReadyToComplete:$false -PreventCompletion:$false -CompleteAfter 1

#complete the migration:

Get-MoveRequest -Identity [email protected] |Resume-MoveRequest