vSphere Archives - ITFROMZERO - Share tobe shared!

Comprehensive Guide to Configuring Link Aggregation (LACP) on VMware vSphere Distributed Switch

By IT From Zero November 4, 2026

A 2 AM vSAN outage offered a costly lesson in network design. Here is a detailed guide to configuring LACP on a VMware vSphere Distributed Switch to achieve 20Gbps throughput and eliminate NIC flapping.

VMware

How to Install and Use VMware PowerCLI: Automate Daily vSphere Health Checks

By IT From Zero November 1, 2026

Learn how to install VMware PowerCLI and build an automated script for daily vSphere health checks. Eliminate manual clicking and catch stale snapshots and low disk space early.

VMware

Guide to Configuring Physical TPM 2.0 on VMware ESXi and Enabling Host Attestation

By IT From Zero October 30, 2026

Detailed guide to configuring physical TPM 2.0 on Dell/HPE servers running VMware ESXi 7.0/8.0, enabling UEFI Secure Boot, and resolving Host Attestation Failed in vCenter.

VMware

How to Reclaim Storage Space (Space Reclamation / UNMAP) on VMware ESXi

By IT From Zero October 24, 2026

Is your VMware ESXi datastore still full after deleting hundreds of gigabytes inside VMs? Here is a practical, step-by-step guide to reclaiming storage space (UNMAP / Space Reclamation) for Thin VMDKs safely.

VMware

How to Enable Virtualization-Based Security (VBS) and Credential Guard on VMware vSphere

By IT From Zero October 23, 2026

A comprehensive guide to configuring Virtualization-Based Security (VBS) and Credential Guard on Windows Server VMs within VMware vSphere. Leverage hardware-level LSASS memory isolation to thwart credential dumping and Pass-the-Hash attacks.

VMware

Enable VMware vSphere Quick Boot: Cut ESXi Maintenance Reboot Time by 80%

By IT From Zero October 9, 2026

VMware vSphere Quick Boot allows ESXi to bypass the BIOS/UEFI POST process, slashing reboot times from 15 minutes to under 90 seconds. Learn how to verify compatibility, enable it in vLCM, and troubleshoot real-world issues.

VMware

Configuring VM-Host and VM-VM Anti-Affinity Rules on VMware vSphere: Avoiding the Half-Baked High Availability Trap

By IT From Zero October 2, 2026

Running paired VMs for redundancy, yet a single ESXi host failure took down your entire service? Learn how to configure VM-VM and VM-Host Anti-Affinity Rules on vSphere to avoid bad placement traps.

VMware

vSphere Automation with VEBA: Don’t Let vCenter Stay Silent During System Failures

By IT From Zero September 19, 2026

Forget manual vCenter log checks. This guide shows you how to use VEBA to automate vSphere incident alerts via Telegram, keeping your system under control.

VMware

Resolving the ‘Virtual machine disks consolidation is needed’ Error on VMware vSphere

By IT From Zero September 18, 2026

The 'Virtual machine disks consolidation is needed' error can reduce VM performance by 50%. Check out 3 ways to fix it via vCenter or the SSH command line.

VMware

Fixing MTU Mismatch: When Jumbo Frames Backfire in vSphere Infrastructure

By IT From Zero September 15, 2026

Is your vSphere system lagging or is vMotion stuck at 14%? It might be an MTU Mismatch. Learn how to use vmkping and PowerCLI to diagnose and sync Jumbo Frames 9000 quickly.