In case of an extended data center failure, the secondary data center can be promoted to primary.

You need to edit the file in the VMware Identity Manager appliances in the secondary data center to configure the appliances for read-write mode.

Make these changes in each VMware Identity Manager appliance in the secondary data center.


  1. Using a ssh client, log in to the VMware Identity Manager appliance as the root user.
  2. Open the /usr/local/horizon/conf/ file for editing.
  3. Change the read.only.service=true line to read.only.service=false.
  4. Change the cache.service.type=ehcache line to cache.service.type=rds.
  5. Save the file.
  6. Restart the Tomcat server on the appliance.
    service horizon-workspace restart