How to Change the Hostname of a VMware ESXi Host (2026)

VMware ESXi Hostname

Changing the hostname of a VMware ESXi host is a task you will encounter when building out new infrastructure, replacing servers, or correcting naming conventions. While straightforward, it requires care in production environments as it affects DNS resolution, vCenter connectivity and SSL certificates. This guide covers all three methods — ESXi Host Client, vSphere Web … Read more

Overcoming the “No vmknic tagged for management” Error During ESXi 8.0.3 Installation with a USB NIC

Overcoming the "No vmknic tagged for management" Error During ESXi 8.0.3 Installation with a USB NIC

While building a VMware ESXi 8.0.3 host with a USB networking controller, I hit a snag that’s likely familiar to anyone venturing into this setup. The installation process threw up this error: Exception: No vmknic tagged for management was found. This halted my progress, but after some trial and error, I found a reliable fix … Read more

VMWare vSphere HA Failover Error

VMWare vSphere HA Failover Error

VMware vSphere HA (High Availability) is a feature that provides automated failover capabilities for virtual machines running on VMware vSphere hosts. When a host failure occurs, HA will detect it and restart the affected virtual machines on another available host in the cluster. If you are experiencing a failover error with VMware vSphere HA, there … Read more

VMWare ESXi ESXCLI Commands to Update Host DNS Servers

Create a bold high‑impact 16 9 featured image with a dark command‑line‑driven virtualisation theme. Use deep black or charcoal as the base with sharp accent colours like bright yellow whi

Problem You have a requirement to update host DNS servers IP addresses on a VMWare ESXi host. However, because Adobe Flash Player is no longer available and the option is not in the newer HTML5 version, you have to make the changes using an SSH connection to your VMWare host. Resolution Connect to your VMWare … Read more