FAQ
Is it possible to register and manage the Dedicated Hypervisor (vSphere ESXi) with vCenterServer operating with a brought in license?
No, it is not possible.
We do not allow you to mix licenses offered by customers with the license of Dedicated Hypervisor vSphere ESXi and guest image vCenter provided by Enterprise Cloud 2.0.
Service Descriptions - Dedicated Hypervisor - vSphere ESXi - Terms and Conditions