When the protected region, Region B, is back online, you can fully transfer all features of the original SDDC configuration to Region A. Integrate the running management nodes in Region B in the main SDDC configuration that is failed back to Region A.
Reconfigure the NSX Instance for the Management Cluster for VMware Cloud Foundation in Region B When Region B is back online after a failback for disaster recovery to Region A, to avoid conflicts in the management and control planes of NSX, modify the roles of the NSX Managers and delete certain NSX components in Region B.
Disconnect the Application NSX Load Balancer from the SDDC Network for VMware Cloud Foundation in Region B Because operations management and cloud management applications are failed back to Region A, disconnect the NSX load balancer for the SDDC management applications in Region B from the network. If the load balancer remains connected to the network, the load balancer might receive data for a management application that is already failed backed to the other region.
Revert the Routing Configuration Between Region A and Region B After Failback for VMware Cloud Foundation When Region B is back online after a disaster recovery to Region A, you must update the routing configuration to implement the original routing setup between Region B and Region A.