ESXi 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

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 Configure USB Passthrough on VMware ESXi: Attaching USB Tokens and External Hard Drives to VMs

By IT From Zero October 28, 2026

Is your ESXi virtual machine failing to recognize USB tokens or external hard drives? Learn how to configure Host USB Passthrough correctly and resolve grayed-out device issues and missing Smart Card services on Windows Server.

VMware

ESXi Host Configuration Backup and Restore with PowerCLI and ESXCLI: Saving Your Virtualization Cluster During Outages

By IT From Zero October 26, 2026

A step-by-step guide to backing up and restoring ESXi host configurations using ESXCLI and PowerCLI. Learn how to recover failed hosts in 10-15 minutes during hardware outages.

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

Configuring NTP on VMware ESXi and vCenter: Permanently Fix SSO and SSL Certificate Errors

By IT From Zero October 21, 2026

A complete guide to configuring NTP on VMware ESXi and vCenter via UI and CLI. Permanently resolve Single Sign-On (SSO) and SSL certificate errors caused by system clock drift.

VMware

Configuring Nested Virtualization on VMware ESXi to Build a Multi-Node vSphere Lab

By IT From Zero October 20, 2026

A detailed guide on enabling Nested Virtualization on VMware ESXi to build a complete enterprise-grade vCenter, HA, and vSAN lab on a single physical server.

VMware

Configuring SNMP on VMware ESXi and vCenter: Comprehensive Hardware and VM Monitoring with Zabbix and PRTG

By IT From Zero October 14, 2026

Detailed step-by-step guide to configuring SNMP v2c on VMware ESXi and vCenter using esxcli commands. Includes best practices for integrating hardware, VM monitoring, and automated alerts with Zabbix and PRTG.

VMware

How to Use the vmkfstools Command on VMware ESXi: Managing, Cloning, and Converting VMDKs from the CLI

By IT From Zero October 14, 2026

A hands-on guide to using vmkfstools on VMware ESXi: how to convert Thick disks to Thin to reclaim space, expand virtual drives, and recover broken descriptor files via SSH.

VMware

How to Safely Reset a Lost or Forgotten ESXi Root Password

By IT From Zero October 9, 2026

Discover 3 safe ways to recover a lost VMware ESXi 7.0/8.0 root password using an Ubuntu Live USB, vCenter Host Profile, or reinstalling without losing VM data.