This article outlines a method for migrating virtual machines from Nutanix AHV to a VMware environment.
VMware vCenter Converter
VMware vCenter Server
Conversion of Nutanix AHV virtual machines to a VMware environment can be achieved using vCenter Converter Standalone 6.6. Please refer to VMware vCenter Converter Standalone 6.6 Release Notes
VMware vCenter Converter Standalone 6.6 can be downloaded from the Broadcom support portal. For detailed instructions refer to VMware vCenter Converter download