The virtual machine configuration tasks that you can perform when you connect directly to an ESXi host or vCenter Server system with the vSphere Client are limited.

The following virtual machine features are unavailable or read-only in the vSphere Client:

Intel vGPU

AMD vGPU

2TB HDD

128 vCPUs for virtual machines with hardware versions earlier than version 10

32 Serial Ports for virtual machines with hardware versions earlier than version 10

255 PVSCI devices

SVGA for virtual machines with hardware versions 10 and 11

VMCI firewall

Smart card authentication

SATA controller and hardware settings

SR-IOV settings

GPU 3D render and memory settings

Tuning latency settings

vSphere Flash Read Cache settings

Nested hypervizor

Fast checkpointing

vCPU reference counters

Ease and scheduled hardware upgrade

Default compatibility level

VMware Tools reporting and upgrade

Use the vSphere Web Client as the primary interface for managing the full range of virtual machine functions available in your vSphere 6.0 environment.