ESXi 5.1 managed by vCenter 6.0

[intelligentsys1]

This is our setup:

A vCenter 6.0 running on a ESXi 6.0.

We have another ESXi host running 5.1, and would like this host to be managed from the vCenter 6.0

When adding the host to the cluster the following error is produced:

The VMware vSphere 5 Hypervisor license for Host [HOSTIP] does not include vCenter agent for VMware host. Upgrade the license.

The licenses for the ESXi 6.0 server are:

VMware vCenter Server 6 Essentials

VMware vSphere 6 Essentials (unlimited cores per CPU)

The licenses for the ESXi 5.1 server is:

VMware vSphere 5 Hypervisor Licensed for 1 physical CPUs (unlimited cores per CPU)

What is required for the ESXi 5.1 to be managed by the vCenter Server 6.0?

[rcporto]

Looks like you're using the free hypervisor license in your ESXi 5.1 and you will need to assign a paid 5.x license to your ESXi 5.1 to be able to manage this host with vCenter. An ESXi with a free hypervisor license cannot be managed by vCenter and a 6.x license cannot be assigned to a hosts version 5.x.

If you still have unassigned 6.x license in your vCenter, upgrade your 5.1 host to version 6.0 and you will be able to add the host to vCenter and assign the 6.0 license to the host.

[rcporto]

Hi intelligentsystemsvmware‌

Did you have a chance to read my previous post? Do you have any additional doubt? If not, remember to mark answers as helpful or correct.