A: Yes. A separate vSphere license is required for the ESXi hosts running the virtual desktops. The Horizon license only covers the VDI brokering and management layer.
VMware Horizon 8 (formerly Horizon 7) is an enterprise virtual desktop infrastructure (VDI) and application delivery platform. Unlike consumer software, Horizon 8 does not rely on a single, publicly shared license key. Instead, licensing is managed through , subscription models , or volume license files , depending on your agreement with VMware (now part of Broadcom). horizon 8 license key