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Deploying VCF 9.0 on a single ESXi host?

06.24.2025 by William Lam // 9 Comments

By default, the VMware Cloud Foundation (VCF) 9.0 Installer requires a minimum of 3 ESXi hosts when you select vSAN (OSA or ESA) for storage or 2 ESXi hosts when you choose to use external storage (Fibre Channel VMFS or NFS). When compared to VCF 5.x where vSAN was the only storage option and it required a minimum of 4 ESXi host, this is certainly a welcome change for our users.

With VCF 5.x, it was possible to deploy using just a single ESXi host for the VCF Management Domain and this question has certainly come up a few time since the GA of VCF 9.0 ...

So what happens when you only enter a single ESXi host into the VCF Installer?


As expected, we see a validation error stating that we have not met the minimum number of ESXi hosts ...

However, this is just the default behavior and of course this was something I had looked into early on with VCF Engineering, since this would be an extremely useful capability to allow our users to easily explore VCF 9 using the smallest number of ESXi hosts for lab purposes only, assuming you can meet the Minimal Resources to Deploy VCF 9.0 in a Lab.

[Read more...]

Categories // VMware Cloud Foundation Tags // VCF 9.0

VCF 9.0 Single Sign-On (SSO) with Keycloak IdP

06.23.2025 by William Lam // Leave a Comment

As part of VMware Cloud Foundation (VCF) 9.0, users can now enable the new VCF Single Sign-On (SSO) capability, allowing true single sign-on across all components within the VCF solution. While modern IdPs such as Okta, PingFederate, Microsoft Entra ID and Microsoft ADFS continue to be supported for Production deployments, users might want to play with the new VCF SSO capability within their lab environment that may not have external access or you may want to use an IdP that is self-hosted for learning purposes.


In addition to the IdPs listed above, you can also play with the new VCF SSO using a generic OIDC provider. Keycloak is an IdP that can be self-hosted within your own environment and works perfectly out of the box with VCF SSO and this blog post will show you how that set it up without relying on a hosted IdP solution!

[Read more...]

Categories // VMware Cloud Foundation Tags // Identity Provider, Keycloak, OAuth, OIDC, VCF 9.0

Is my NIC supported with Enhanced Data Path (EDP) with VCF 9.0

06.23.2025 by William Lam // Leave a Comment

By default, VMware Cloud Foundation (VCF) 9.0 will use the optimized Enhanced Data Path (EDP) Standard switch mode when configuring NSX, which will require you to have an EDP capable network adaptor. One way to check whether your network adaptor supports EDP is by using the Broadcom Compatibility Guide (BCG) and ensuring "Enhanced Data Path - Interrupt mode" feature

Alternatively, if you already have ESXi running, you can quickly check by running the following command: esxcfg-nics -e

[Read more...]

Categories // ESXi, NSX, PowerCLI, VMware Cloud Foundation Tags // VCF 9.0

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Author

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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