Troubleshooting Methods Flashcards

In Director, the Trends view shows a spike in machine failures over the past week. What does this view mainly help you do?

Answer: Identify patterns and when failures began

Trends shows historical data that helps you spot patterns and pinpoint when problems started.

A VDA cannot register, and nslookup of the controller FQDN from the VDA fails. Which component is most likely at fault?

Answer: DNS resolution

A failed nslookup means the VDA cannot resolve the controller name, which points to a DNS problem.

Users connecting externally through Citrix Gateway authenticate but app launches fail, while internal launches work. What is a common cause to check?

Answer: STA servers configured on Gateway do not match StoreFront

If the Secure Ticket Authority servers on Gateway and StoreFront don't match, external launches fail after authentication.

A machine in a Delivery Group never receives new sessions, but it is registered and powered on. Which setting should you check?

Answer: Whether the machine is in maintenance mode

Machines in maintenance mode stay registered but are not brokered new sessions.

In Director, a user's profile is corrupt and causes errors at every logon. Which action can a help desk administrator take?

Answer: Reset Profile

Director's Reset Profile action replaces a corrupt Citrix Profile Management or roaming profile at the user's next logon.

Which tool helps analyze HDX virtual channel behavior inside a running ICA session?

Answer: HDX Monitor

HDX Monitor reports on HDX virtual channels, such as graphics, audio, and printing, inside a session.

Which approach best isolates whether a launch issue is caused by StoreFront or by the VDA?

Answer: Test a launch with a different access path or a known-good VDA

Changing one variable at a time, such as the access path or VDA, isolates the failing component.