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What Host Lifecycle Operations Are Available after Importing vCenter into VCF 9.x Fleet?

06.24.2026 by William Lam // Leave a Comment

VMware Cloud Foundation (VCF) first introduced the Brownfield Import capability in VCF 5.2, making it easy for customers to onboard their existing vSphere environments into a VCF deployment. While the Brownfield Import capability had some limitations in earlier releases, it has seen significant enhancements since VCF 9.0 and now provides a native onboarding experience using either the VCF Installer or as a Day-N operation within VCF Operations.

While some customers may have the opportunity to deploy a brand new VCF 9.1 Fleet as part of a hardware refresh initiative, the vast majority will start by converting an existing vSphere environment into their initial VCF Management Domain and then import their remaining vSphere environments as VCF Workload Domains.

In addition to providing centralized visibility and lifecycle management (patching and upgrades) for imported environments, one of the most common question is around what host lifecycle operations can be performed after an environment has been imported into VCF.

[Read more...]

Categories // VMware Cloud Foundation Tags // VCF 9.0, VCF 9.1

VCF 9.1 - Enabling High Availability for a Small VCF Management Services (VCFMS) Deployment

06.22.2026 by William Lam // 2 Comments

When deploying a new VMware Cloud Foundation (VCF) 9.1 Fleet, users specify either a Simple or High Availability (HA) deployment model along with the desired deployment size: Small, Medium or Large. Unlike components such as NSX Manager, VCF Operations and VCF Automation, where deployment size and availability are configured independently, VCF Management Services (VCFMS) determines its availability model based on the selected deployment size.

  • Simple
    • Small - 1 x Control Plane Node (4 vCPU & 10GB mem) + 3 x Worker Node (12 vCPU & 24GB mem)
  • High Availability
    • Medium - 3 x Control Plane Node (4 vCPU & 10GB mem) + 3 x Worker Node (24 vCPU & 48GB mem)
    • Large - 3 x Control Plane Node (8 vCPU & 12GB mem) + 4 x Worker Node (24 vCPU & 48GB mem)


While the Simple VCF deployment model is ideal for lab and proof-of-concept environments, it is also a good fit for smaller production environments. However, the only way to provide HA for VCF Management Services (VCFMS) using the VCF Operations Fleet LCM UI is by scaling up to either a Medium or Large deployment, which comes with additional worker nodes and increased resource consumption.

If only we had a way to enable high availability for a Small VCFMS deployment? 🤔

[Read more...]

Categories // VMware Cloud Foundation Tags // VCF 9.1

Clarifying Minimum Required ESX Hosts for VCF Deployments

06.18.2026 by William Lam // Leave a Comment

The VMware Cloud Foundation (VCF) 9.x Installer includes a built-in resource calculator that automatically determines the required compute and storage resources, along with the estimated number of ESX hosts needed to support the selected deployment configuration.


Understanding the compute and storage requirements is fairly straightforward, but the minimum number of ESX hosts required for a deployment is not always as clear, especially when factoring in the different supported principal storage types (vSAN, NFS and VMFS on Fibre Channel).

[Read more...]

Categories // VMware Cloud Foundation Tags // VCF 9.0, 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

  • What Host Lifecycle Operations Are Available after Importing vCenter into VCF 9.x Fleet? 06/24/2026
  • VCF 9.1 - Enabling High Availability for a Small VCF Management Services (VCFMS) Deployment 06/22/2026
  • Clarifying Minimum Required ESX Hosts for VCF Deployments 06/18/2026
  • VCF 9.1 - Auditing VCF Management Services (VCFMS) IP Pool Usage  06/17/2026
  • VCF 9.1 - Auditing vCenter Server Connections using the Connection Utilization API 06/15/2026
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