Always On Tracing
Always On Tracing (AOT) is a continuous diagnostic framework for Citrix Virtual Apps and Desktops™. It captures logs automatically across your entire infrastructure and stores them centrally — so issues can be investigated without manual tracing or issue reproduction.
Where to Start
Follow this guide in order the first time. Each page links to the next.
| Step | Page | What You’ll Do |
|---|---|---|
| 1 | Introduction to AOT | Understand what AOT is and why it exists |
| 2 | How AOT Works | Learn the architecture and data flow |
| 3 | Plan Your Deployment | Size your Log Server and check version requirements |
| 4 | Install the Log Server | Choose a deployment platform and install |
| 5 | Configure the Log Server | Set advanced options and verify health |
| 6 | Configure Components | Point all Citrix components at the Log Server |
| 7 | Log Server API Response Codes | HTTP response codes for Log Server API calls |
| 8 | View and Use Logs | Access logs via Director or CLI |
| 9 | Common Issues and Fixes | Diagnose problems and find answers |
| 10 | Deployment Scenarios | Log availability by component and scenario |
| 11 | Troubleshoot Common Issues | Investigate session and VDA failures using the Logs node |
| 12 | FAQ | Frequently asked questions |
| 13 | Fixed Issues | Issues resolved in recent releases |
| 14 | Known Issues and Limitations | Current known issues and workarounds |
Installation Paths
If you already know your platform, jump directly to the install guide.
- Install on Connector Appliance — Recommended. Evergreen updates, no Docker management.
- Install on Linux — Best for production. Runs without a user session.
- Install on Windows — Supported via Docker Desktop. Requires an active user session.
Quick Reference
| Topic | Details |
|---|---|
| Max connections | 128,000 active component connections |
| Max throughput | 10,000 log events/second |
| Default retention | 7 days (configurable 1–30) |
| Purge threshold | 85% disk usage |
| Compression | LZ4, ~2:1 ratio (20–50% size reduction) |
| Minimum CVAD version | 2507 CU1 or 2511+ |
| Supported OS (Linux) | Ubuntu 24.04, RHEL 8.10, 9.4 |
| Supported OS (Windows) | Win 10/11, Server 2022/2025 |
This documentation covers Citrix CVAD 2607 LTSR.
Always On Tracing
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