When the primary data center fails, you can fail over to the secondary data center. To fail over, you need to modify the global load balancer or DNS record to point to the load balancer in the secondary data center.

Depending on your database setup, the VMware Identity Manager appliances in the secondary data center are either in read-only mode or in read-write mode. For all databases except SQL Server Always On, the VMware Identity Manager appliances are in read-only mode. Therefore, most administrator operations, like adding users or apps, or entitling users, are not available.

If you are using a SQL Server Always On deployment, the VMware Identity Manager appliances in the secondary data center are in read-write mode.