In a high availability deployment the secondary servers are independent, fully functioning StorageZones Controllers. To maintain or replace a primary StorageZones Controller, demote it
first and then promote a secondary controller.
If the primary server goes offline, you can promote a secondary server to primary.
Caution: Editing the registry
incorrectly can cause serious problems that may require you to reinstall your
operating system. Citrix cannot guarantee that problems resulting from the
incorrect use of Registry Editor can be solved. Use Registry Editor at your own
risk. Be sure to back up the registry before you edit it.