To configure the Universal Transport Zone and add a vSphere cluster, the following prerequisites must be satisfied:

• User with NSX Enterprise Administrator or NSX Administrator role
• NSX Managers in both vCenter domains must be deployed and configured for Cross-vCenter NSX
• Controller cluster in primary site is deployed and accessible
• Unicast control plane replication will be used
• ESXi hosts in either site can communicate with one another from their VTEP interfaces and the 1600-byte MTU has been set on the physical infrastructure