Why are hosts not added to vCenter (Insufficient license on host)?

Question

VMware

There is a vcenter licensed with VMware vSphere 6 Enterprise Plus (CPUs). The number of CPUs is not limited.
Error when adding hosts:

vCenter itself is licensed by VMware vCenter Server 6 Essentials (Instances)

Answer 1

VMware vCenter Server 6 Essentials
is the minimum realm build. Three hosts and that's it. Read about licenses for the sphere carefully

Answer 2

Good afternoon!
I had such an error if the trial license was not removed on the host. Check that ONLY the necessary licenses are present on the host.

Answer 3

White English - Host license type does not match realm license type. It is not enough to buy a license for a sphere - you also need to buy licenses for all hosts. Trial hosts (on a free license) are not added to the realm.

Answer 4

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