Question: Is it possible to configure the Centrify Zone Provisioning Agent (ZPA) to use a preferred domain controller?
Answer: Yes, this is possible. Please see the below instructions on configuring this option.
1) Locate the Centrify Zone Provisioning Agent Configuration Panel, either from the Windows start menu or desktop

2) Choose the monitored container and click on "Change"

3) It should then bring up a dialog with a drop-down list where a domain controller can be chosen. Select the preferred domain controller here:

4) Look at the bottom of the ZPA Configuration Pane and make sure to Apply the change and Restart the ZPA service to make it take effect.