Could it be that there more NIC customisation present in the OSCustomizationSpec than you have in the VM, or the reverse ?
Do a
Get-OsCustomizationSpec -Name <your-spec> | Get-OSCustomizationNic Mapping
How many entries are there ?
Could it be that there more NIC customisation present in the OSCustomizationSpec than you have in the VM, or the reverse ?
Do a
Get-OsCustomizationSpec -Name <your-spec> | Get-OSCustomizationNic Mapping
How many entries are there ?