Environment setup : Three Workspace one nodes per site and have AVI load balancer with external Database. Here are the steps for testing that failover: Change the LB to point to the DR site. You will need to clear caches in the primary datacenter by following the steps listed here: https://docs.vmware.com/en/VMware-Workspace-ONE-Access/21.08/workspace_one_access_install/GUID-A794E38F-974E-48B9-8BFF-3737472BC1BB.html Restart all connector services from both the primary and DR site Stop the horizon-workspace service on the primary nodes. As we can only have 1 read/write cluster on at a time. Promote the DR site to the primary by editing: /usr/local/horizon/conf/runtime-config.properties in the following ways on each of the nodes: read.only.service=true to read.only.service=false cache.service.type=ehcache to cache.service.type=rds Save Restart the horizon-workspace server on each node in DR. restart the connectors again (...