From the description it looks like the database configuration did go through, but we had problems getting the next screen information (AD directory) from connector-va.
Can you please send us the logs from following virtual machines?
service-va: /opt/vmware/horizon/horizoninstance/logs/horizon.log
connector-va: /opt/vmware/c2/c2instance/logs/connector.log
configurator-va: /opt/vmware/horizon/configuratorinstance/configurator.log