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How to Enable DEX (Experience Management) for Omnissa Horizon - Step by Step

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In the era of modern distributed work, understanding user experience within virtual desktop infrastructure (VDI) is no longer a luxury - it’s an operational necessity. Omnissa Horizon, coupled with Workspace ONE Experience Management (DEX), gives IT administrators full visibility into VDI performance, from login latencies to application behavior. If you are looking to tap into these rich analytics, here is your definitive, step-by-step guide to enabling and validating DEX for your Omnissa Horizon environment. Step 1: Verify Prerequisites & Licensing Before writing a single line of code or deploying appliances, you must ensure your environment is properly licensed. DEX for Horizon requires a cloud-connected control plane and specific licensing tiers. Supported Core License: You must hold an active Horizon Universal Subscription or Horizon Apps Universal Subscription. The DEX Add-on: Experience Management features require the Workspace ONE Experience Management for Horizon add-on SKU...
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Troubleshooting “Error in Serving the Request” in a Double DMZ UAG Deployment for Horizon Introduction Designing a double DMZ architecture for Omnissa Unified Access Gateway (UAG) is a well-established best practice in highly secure environments. By introducing an additional reverse proxy layer, organizations can further isolate internal Horizon infrastructure while still delivering seamless remote access.   However, this added complexity introduces subtle configuration challenges. One of the most common and frustrating errors administrators encounter is: Error in serving the request. This article provides a deep technical explanation of the issue, along with practical remediation steps based on real-world experience. Architecture Overview In a typical double DMZ deployment : External Client      │      ▼ UAG #1 (External DMZ – Reverse Proxy)      │      ▼ UAG #2 (Internal DMZ – Horizon Edge)  ...