If a custom port ( eg. 8080) needs to be configured on VDA for registration, then the port on the DDC needs to be updated as well.
This can be done via the instructions provided.

---

Instructions

1. On the DDC, open CMD (command prompt) with administrative privileges.
2. Change current directory by executing cd "C:\Program Files\Citrix\Broker\Service"
4. Type BrokerService.exe /show and press Enter to show the current ports

5. Execute BrokerService.exe -vdaport <port_number>   to change the VDA registration port.

6. Verify that the port has been updated via BrokerService.exe /show

7.Type HighAvailabilityService.exe /show and press Enter to show the current ports

8.Execute HighAvailabilityService.exe -vdaport <port_number> to change the VDA registration port.

9.Verify that the port has been updated via HighAvailabilityService.exe /show-