When Replacing a RAID Disk Breaks Your ESXi Boot
This was supposed to be boring. A classic hardware case: one faulty M.2 disk, a RAID-1 mirror, ESXi booting happily from a virtual disk. The kind of thing you expect …
How the vExpert Program Impacted My Career (Honestly)
When I first became part of the vExpert Program, nothing fundamentally changed overnight. I didn’t suddenly work harder, learn faster, or care more about technology. I was already doing those …
How to Upgrade ESXi from 7 to 8 Using esxcli
This is a straightforward, step-by-step guide on how to upgrade ESXi from version 7.x to 8.x using esxcli.I used this method when one of the hosts in the cluster got …
[VMware Critical Advisory] VMSA-2025-0013 – ESXi, Workstation, Fusion & Tools Vulnerabilities
Date: 15 July 2025 Advisory: VMSA-2025-0013 Severity: Critical (CVSS 6.2–9.3) Affected Products: ESXi, Workstation, Fusion, VMware Tools, Cloud Foundation, Telco Cloud Workaround: None Fix Available: Yes Broadcom has published VMSA-2025-0013, …
ESXi upgrade fails from 7.x to 8.x due to unsupported TPM version
I ran into an interesting issue today while helping a customer upgrade their ESXi farm to the latest 8.x version (8.0.3, 24674464). One thing I had overlooked was the presence …
Rename vmdk without Storage vMotion
You probably know that changing a VM’s name in vCenter is easy, but that doesn’t actually rename its files or VMDKs. Normally, you’d use Storage vMotion to move and rename …
How to Reset a Locked Root Account in ESXi
This post is a straight-to-the-point guide on how to reset a locked root account in ESXi using the DCUI and shell access.Let’s jump right in. Step 1. Access the ESXi …
How to Reset a Lost ESXi Root Password
This one’s a quick tip on how to reset a lost ESXi root password using the vCenter Host Profiles. Step 1. Extract the Host Profile Start by logging into vCenter …
VMSA-2025-0010 – Critical VMware Vulnerabilities: What You Need to Know and Why You Should Patch Now
Broadcom (VMware) has just released VMSA-2025-0010, a security advisory detailing multiple vulnerabilities across vCenter Server, ESXi, Workstation, and Fusion. While not all of them are critical, one vulnerability in particular …
PowerCLI Script to Create/Delete in Bulk Snapshots
This one’s a quick tip I thought I’d share. It’s a simple PowerCLI script I’ve used during daily operations, especially when working on multiple projects. It helped me create snapshots …