After you upgrade the operations management and cloud management layers, you upgrade the components of the business continuity layer to enable the disaster protection and recovery for the management SDDC components.

Table 1. Upgrade Sequence for the Business Continuity Layer in VMware Validated Design
Order Component Sub-Component
1 vSphere Storage APIs – Data Protection Based Backup Solution -
2 vSphere Replication Virtual Appliance in Region A -
Site Recovery Manager Instance in Region A
3 -
4 vSphere Replication Virtual Appliance in Region B -
5 Site Recovery Manager Instance in Region B -