VMware vSphere AMP cluster requirements The management cluster requires VMware HA and VMware vSphere Distributed Resource Scheduler (DRS) for two reasons. The first is to provide VM protection against a VMware ESXi host failure. The second is to balance VM workloads in the cluster. The following rules are applied to the DRS: Anti-affinity rules are applied to the management cluster to ensure that each VMware NSX-T Data Center manager appliance runs on its own host where possible. Too few hosts may prevent each VMware NSX-T Data Center manager appliance to run on its own host. If so, HA allows the VMware NSX-T Data Center manager appliances to co-exist on the same host. Parent topic VMware NSX-T Data Center management clusterThe management cluster consists of the management and control planes for VMware NSX-T Data Center. The VMware NSX-T Data Center manager appliance handles both management plane and control plane functions.