Hi
Taiob Ali •,
Thanks for your patience.
Below reply is given by the internal team:
For latest version of DMS service “New-AzDataMigrationSqlService” can be used. New-AzDataMigrationSDisplay is for DMS(classic) only (refer documentation). You can share the ready to use DMS templates for migrating with PowerShell / Azure CLI: Migrate databases at scale using Azure PowerShell / CLI (Preview) | Microsoft Learn
Let us know if further queries. Thanks