App Volumes – Upgrade to v. 2512

Welcome to my Omnissa App Volumes series. The new version of App Volumes, 2512, was GA on December 16th 2025, with the build being 4.20.0.109. The Release Notes contains the following info about what is new, and can be reviewed here: Omnissa App Volumes Release Notes These are some of the New features etc:

What’s New

• General Availability: App Volumes Manager for Windows Endpoints
  • App Volumes Manager now provides full Application Lifecycle Management (ALM) for physical Windows endpoints, unifying packaging, delivery, rollback, markers, and version governance across both physical and virtual environments.
• Published Apps on Demand for Nutanix
  • App Volumes now supports Apps on Demand for Horizon deployments running on Nutanix. Applications can be assigned dynamically and launched instantly without pre-provisioning, improving resource efficiency and enhancing the published application experience in Nutanix environments.
• Windows Update Detection Before Application Capture
  • App Volumes now checks whether Windows Update is enabled before application capture begins. If active, the administrator is alerted, preventing Windows Update artifacts from being included in the package. This results in cleaner, more predictable packages by avoiding OS-layer file contamination, metadata bloat, and version drift across Windows builds.

In this section I will describe how I upgraded my App Volumes infrastructure to v. 2512, but first, at what point in an upgrade procedure should we upgrade the Omnissa App Volumes Components? According to Omnissa’s official documentation, this should be done as shown below.

Before beginning the upgrade, I also verify that the upgrade path is supported in the Product Interoperability Matrix

The procedure used for upgrading is as follows:

• HAProxy Load Balancer
• Manager
• Windows Agent
• Capture VM
• Templates

Omnissa Documentation:

• App Volumes 4 Release Notes
• Rebranding Changes in Omnissa Horizon Products (6000681)
• Horizon 8 Upgrade Overview
• Product Interoperability Matrix
• Omnissa Product Documentation

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App Volumes – Upgrades

App Volumes planning, deployment etc.

Disclaimer: Every tips/tricks/posting I have published here, is tried and tested in different it-solutions. It is not guaranteed to work everywhere, but is meant as a tip for other users out there. Remember, Google is your friend and don’t be afraid to steal with pride! Feel free to comment below as needed.