Learn how to resolve black screen issues when launching VDI from an external network using Horizon with Unified Access Gateway. Discover the importance of correctly setting the Blast External URL for seamless connectivity.
Table of Contents
Question
An administrator recently deployed a Horizon pod with external access using Unified Access Gateway (UAG). While trying to launch VDI from an External network, VDI launches with a black screen and then disconnects. The administrator has validated the port requirement and all other required ports are open.
Users are able to connect internally using the connection server URL. While reviewing the UAG logs, the administrator found that the Blast connection is hitting the Connection Server instead of VDI IP.
What should the administrator do to resolve the issue?
A. Upload the Blast Proxy Certificate in Horizon Edge Settings.
B. Update the Blast External URL in UAG with port number.
C. Enable Tunnel in UAG.
D. Disable the Tunnel and Gateways in Horizon Connection Server.
Answer
B. Update the Blast External URL in UAG with port number.
Explanation
The issue described is related to the Blast connection hitting the Connection Server instead of the VDI IP when trying to launch VDI from an external network. This suggests that the Blast traffic is not being correctly routed to the VDI. The most appropriate solution would be to update the Blast External URL in UAG with the port number (Option B). This will ensure that the Blast traffic is correctly directed to the VDI IP, rather than the Connection Server.
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