com.vmware.vc.host.Crypto.ReqEnable.KMSClusterError
Summary
A host requires encryption mode enabled and the KMS cluster is not available.
Causes
The connection between the vCenter Server and the KMS cluster failed.
Resolution
Manually check for the keys in the KMS cluster, and restore the connection to the KMS cluster.
External
Refer to VMware Online Documentation for more information.