A Network Function Virtualization (NFV) Management and Orchestration (MANO) data communication system drives an NFV Infrastructure (NFVI) to support a Network Service (NS). The NFV MANO system exchanges hardware trust data with a hardware-trusted subsystem in the NFVI to maintain hardware trust with the NFVI subsystem. The NFV MANO system exchanges NS data with an operations system and responsively exchanges network data to drive the NFVI to execute a Virtual Network Function (VNF) externally to the hardware-trusted subsystem to support the NS. The NFV MANO system also exchanges trust data for the NS with the operations system and responsively exchanges network data with the hardware-trusted subsystem to drive the subsystem to execute the VNF to support the NS.