1Y0-204 · Question #178
A Virtual Delivery Agent (VDA) is unable to register with the Delivery Controller. Which three factors could be causing this issue? (Choose three.)
The correct answer is A. Improperly configured firewalls C. Time differences between VDA-enabled machines and the Domain Controller D. Incorrectly configured reverse DNS lookups in a forest. Improperly configured firewalls Blocked or restricted ports (e.g., TCP 80/443) between the VDA and Delivery Controller will prevent the VDA from establishing its registration channel. Time differences between VDA-enabled machines and the Domain Controller Kerberos…
Question
A Virtual Delivery Agent (VDA) is unable to register with the Delivery Controller. Which three factors could be causing this issue? (Choose three.)
Options
- AImproperly configured firewalls
- BIncorrectly configured Citrix policy in Active Directory
- CTime differences between VDA-enabled machines and the Domain Controller
- DIncorrectly configured reverse DNS lookups in a forest
- ECitrix ICA service NOT running
How the community answered
(27 responses)- A81% (22)
- B15% (4)
- E4% (1)
Explanation
Improperly configured firewalls Blocked or restricted ports (e.g., TCP 80/443) between the VDA and Delivery Controller will prevent the VDA from establishing its registration channel. Time differences between VDA-enabled machines and the Domain Controller Kerberos authentication will fail if the VDA's system clock is out of sync (more than a few minutes) with the domain controller, blocking registration. Incorrectly configured reverse DNS lookups in a forest The VDA uses DNS (including reverse lookups) to locate controllers; if PTR records are missing or incorrect, the VDA cannot resolve or validate the Delivery Controller's name for registration.
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