On Demand migration (ODM) license drop down is empty during Account Migration.
On Demand migration (ODM) during Account Migration validates available Exchange Online license types and number of license available in each pool. If there are no Exchange Online license in target Office365 tenant, account migration cannot proceed further.
Login into Office365 Portal or Online PowerShell, list the license plans for your tenant and services that are available in each licensing plan using this PS command:
Connect-Graph -Scopes Organization.Read.All
Get-MgSubscribedSku | Select -Property Sku*, ConsumedUnits -ExpandProperty PrepaidUnits | Format-List
Reading subscription license plans requires the Organization.Read.All permission scope or one of the other permissions listed in the 'List subscribedSkus' Graph API reference page.
Note: The Azure Active Directory module is being replaced by the Microsoft Graph PowerShell SDK. You can use the Microsoft Graph PowerShell SDK to access all Microsoft Graph APIs.
