The AdapterMapping structure specifies the association between a virtual network adapter and its IP settings.
The IP settings for the associated virtual network adapter.
The MAC address of a network adapter being customized. If unset, the customization process maps the the settings from the list of AdapterMappings.IPSettings in the CustomizationSpec.interfaces to the virtual machine’s network adapters, in PCI slot order. The first virtual network adapter on the PCI bus is assigned interfaces.IPSettings, the second adapter is assigned interfaces.IPSettings, and so on.