Wednesday, July 29, 2026

Introduction to VMware vDefend Solutions for vSphere Admins

As a vSphere system administrator, you know vCenter, ESXi, clusters, and vMotion like the back of your hand. You manage VMs using folders, tags, and resource pools. When it comes to network security, traditional data center network designs often push traffic out to physical hardware firewalls—a process known as "hair-pinning." This creates performance bottlenecks, network complexity, and blind spots for "East-West" traffic (VM-to-VM traffic within the data center).

VMware vDefend solutions change this paradigm. Instead of pulling traffic out of the virtual switch to inspect it on a physical box, vDefend brings enterprise-grade firewall and threat prevention capabilities directly into the hypervisor.

VMware vDefend consists of Distributed Firewall (DFW), Gateway Firewall (GFW), and Security Intelligence. VMware vDefend Advanced Threat Protection (ATP) is an additional product that provides increased network security capabilities protecting organizations against advanced threats, including ransomware. For those new to these solutions, this article provides a technical overview of the vDefend components.

Friday, July 10, 2026

Transition from VMware vSphere Update Manager to vSphere Lifecycle Manager

As vSphere and VCF environments scale in complexity, lifecycle management is longer be an afterthought. For years, vSphere administrators relied on vSphere Update Manager (VUM) to patch and upgrade ESXi hosts. Starting with vSphere 7 and solidifying its position in vSphere 8, VMware introduced vSphere Lifecycle Manager (vLCM), changing the update methodology.

With VUM and baseline-centric approaches deprecated in vSphere 8, transitioning to vLCM is no longer just recommended—it is required before moving to version 9. This article covers the technical differences, the transition process, and the gotchas every vSphere admin needs to know.

Wednesday, June 24, 2026

VMware vSAN Protection and Recovery Deployment

vSAN Protection and Recovery provides a simple way to back up and restore VMs locally using vSAN Express Storage Architecture (ESA). It enables administrators to define groups of VMs along with the backup/snapshot schedule and retention times. These are crash-consistent backups that can be restored using the vSphere Client even if the VMs have been removed from inventory. Perhaps best of all is that this functionality is included with your VCF 9 license.

I plan on writing a series of blog articles about vSAN Protection and Recovery. This first article summarizes the deployment of the Protection and Recovery virtual appliance that enables this functionality. If you would like to read more about the solution itself, see the articles below.

Thursday, May 28, 2026

Upgrade from vSphere 8 to a VCF 9.1 Minimal Deployment

In the vSphere 8 era, many small environments relied on the lean duo of ESXi and vCenter for simplicity and low overhead. VMware Cloud Foundation (VCF) 9.1 evolves this model into a full-stack private cloud, offering automated lifecycle management, advanced networking, native container support, application blueprint provisioning, private AI, and much more--albeit with higher resource demands.

Fortunately, a minimal VCF installation enables smaller shops to use vCenter and ESX 9.1 without overcommitting their hardware. It is important to understand that you will not get all the full-stack VCF 9.1 private cloud features and benefits when you perform a minimal installation or upgrade. This article summarizes the process of upgrading vSphere 8 (vCenter 8 and ESX 8) to VCF 9.1.

Tuesday, May 5, 2026

Why vSAN is Best for VMware Cloud Foundation

For VMware practitioners, the shift from traditional three-tier architectures to a software-defined data center (SDDC) isn't just about consolidation—it’s about regaining control. At the heart of this evolution is VMware vSAN, the native storage engine for VMware Cloud Foundation (VCF).  vSAN is the only option that delivers a full-stack, automated experience from Day 0 through Day 2 and it is included with your VCF subscription. Here is why vSAN remains the gold standard for VCF deployments.

vSAN is best for VCF