To verify which features are licensed, make sure that the vSphere Client/VMware Infrastructure is connected to vCenter Server/VirtualCenter.
To connect vSphere Client/VMware Infrastructure to vCenter Server/VirtualCenter:
Select the ESX/ESXi host from the inventory in vCenter Server.
Click the Configuration tab.
Click the Licensed Features link.
Note: Ensure that the feature appears on the list and that there are enough CPU licenses. If the feature is not listed, click Edit and enable the feature.