VMware vSphere Foundation

VCF 9.1 - Quick Tip: Uninstalling Optional Day-N Components

06.11.2026 by William Lam // Leave a Comment

There are a number of new capabilities in VMware Cloud Foundation (VCF) 9.1 that can be deployed as Day-N operations after the initial VCF Fleet deployment, including:

Integrated Log Management (formally VCF Operations for Logs) directly within VCF Operations
Real-time Metrics that can provide up to 2 seconds of granularity
Network visibility and diagnostics with VCF Operations for Networks (VON)
Modern Self-Service with Multi-Tenancy using VCF Automation (VCFA)

If you need to uninstall one of these Day-N components, there is currently not a UI workflow within the VCF LCM UI. With that said, we do have a KB article that provides a clean up script that can also be used to uninstall these optional VCF components.

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VCF 9.1 - Quick Tip: Understanding VCF Installer Default Behavior for VCF Patch Releases

06.07.2026 by William Lam // 2 Comments

With the first Expression Patch (9.1.0.0100) now available for VMware Cloud Foundation (VCF) 9.1, I was wondering about version selection behavior (UI and API/JSON) within the VCF Installer.

The VCF Installer UI will automatically select the latest VCF release (e.g. 9.1.0) along with the latest available patch version for each VCF component (e.g. 9.1.0.0100). As shown in the screenshot below, not every component has an EP01 release, but the VCF Installer automatically selects the most recent version, which is exactly the behavior I would expect as a user.

If you need to override a specific component version, you can select from the available drop down.

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VCF 9.1 - VCF Download Tool (VCFDT) Cheatsheet

05.27.2026 by William Lam // 5 Comments

The latest release of VMware Cloud Foundation (VCF) Download Tool (VCFDT), which ships as part of VCF 9.1, includes a number of enhancements for downloading VVF and VCF installation and upgrade binaries.

For new users of VMware Cloud Foundation Download Tool (VCFDT), I thought it would be useful to put together a quick cheat sheet covering some of the most common workflows, ranging from configuring an activation code and downloading the required VCF 9.1 binaries for initial deployments and upgrades, to the new workflow for downloading ESX patches and updates.

I have even found myself repeatedly using the --help command just to locate a specific option or workflow, so hopefully this serves as a useful reference for both new and existing users, including myself! 😅

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