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Question 24

A new Horizon environment has gone into production. External sessions are being disconnected after a random period of time.

The following information has been documented by the administrator:

Internal and external users are able to connect to their desktops.

External sessions connect via Unified Access Gateway.

Users are immediately able to reconnect but are disconnected again in a few minutes.

Due to limited amount of public IP addresses, all traffic flows through a load balancer.

Internal sessions, connected directly to the desktops, are not impacted.

While the session remains connected, all expected functionality works properly.

What could be a cause of this issue?

    Correct Answer: A

    The issue is likely caused by a misconfigured network load balancer in front of the Unified Access Gateway appliances. The periodic disconnections experienced by external users suggest that the load balancer may not be maintaining session persistence properly, which is essential for the Unified Access Gateway to handle external sessions correctly. Session persistence, also known as session affinity, ensures that all protocol traffic from a Horizon client session is directed to the same Unified Access Gateway appliance. Without proper session persistence, connections can drop unexpectedly, leading to the symptoms described.

Discussion
Carbonfiber01Option: A

This is likely because the load balancer may not be maintaining session persistence properly, which is necessary for the Unified Access Gateway to function correctly with external sessions. It’s important to ensure that the load balancer is configured to maintain session affinity so that all protocol traffic from a Horizon client session goes to the same Unified Access Gateway appliance