CmdID / PowerShell / Cmdlets / Get
Get-CsMeetingMigrationStatus
You use the Get-CsMeetingMigrationStatus cmdlet to check the status of meeting migrations. Microsoft Teams PowerShell reference
From the Microsoft Teams PowerShell reference 5 parameters Its page in the reference
Parameters
-EndTimeSpecifies the end date of the date range.-IdentitySpecifies the Identity of the user account to be to be modified.-StartTimeSpecifies the start date of the date range.-StateWith this parameter you can filter by migration state.-SummaryOnlySpecified that you want a summary status of MMS migrations returned.