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

06.07.2026 by William Lam // 3 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.

[Read more...]

Categories // VMware Cloud Foundation, VMware vSphere Foundation Tags // VCF 9.1

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! 😅

[Read more...]

Categories // VMware Cloud Foundation, VMware vSphere Foundation Tags // VCF 9.1

VCF 9.1 - Demystifying Supported Upgrade Paths to 9.1

05.23.2026 by William Lam // 10 Comments

The rapid advancement of frontier AI capabilities, including recent developments from Anthropic Mythos, keeping software and infrastructure up to date has become a critical priority for many IT organizations.

VMware vSphere Foundation (VVF) and VMware Cloud Foundation 9.1 introduce a ton of powerful new private cloud capabilities, which has generated tremendous interest from both customers and partners, ranging from new deployments to modernizing existing environments, all with the goal of building a more secure and resilient private cloud platform while also helping address the rapidly evolving threat landscape.

One area that has significantly changed from earlier VCF releases prior to VCF 9.0 is around upgrades, which has been a major source of confusion, even for myself at times. I will not try to defend some of the confusion and misconceptions from the past, but I will say that VCF 9.1 introduces more flexible upgrade paths, allowing customers to take advantage of the latest capabilities while also meeting them where they are currently at in their Private Cloud journey.

With that said, I am hoping this quick blog post, along with some visuals, will help demystify the supported upgrade paths to VCF 9.1, including some of the common misconceptions around specific feature capabilities and future direction, especially as it relates to VCF Automation VM Apps (Traditional) and All Apps (Modern) or Networking using VLAN-backed, NSX Overlay/Segment and Modern NSX VPC.

[Read more...]

Categories // VMware Cloud Foundation, VMware vSphere Foundation Tags // VCF 9.1

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William is Distinguished Platform Engineering Architect in the VMware Cloud Foundation (VCF) Division at Broadcom. His primary focus is helping customers and partners build, run and operate a modern Private Cloud using the VMware Cloud Foundation (VCF) platform.

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Recent

  • VCF 9.1 - vSphere Back-in-Time Support for Upgrade, Converge and Import 07/21/2026
  • VCF Infrastructure Services (VIS) Appliance for VCF 9.1 Lab/PoC 07/20/2026
  • Quick Tip - Automatically Generate VCF Download Tool Commands with Express Patches for VCF 9.0.2 and 9.1.0 07/17/2026
  • VCF 9.1 - Automating VCF Backup Scheduling with the Fleet LCM API 07/17/2026
  • VCF 9.1 - July Express Patch is more than Security Fixes 07/15/2026
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