vCenter Server Appliance Error fix: Setting ip/ipv6 configuration failed: IP Configuration not allowed

Recently, I had to modify my network in my home lab. This required me to change the IP address on my vCenter. The operation seems simple - from the ESXi, log in to the root account on the vCenter Server Appliance through the console. However, having already configured vCenter with added clusters, ESXi hosts, etc.,... Continue Reading →

How to Migrate Windows Zerto 9.7 ZVM to Linux Zerto 10 ZVM

Zerto is a powerful disaster recovery and business continuity solution that enables organizations to protect their critical data, applications and VMs from potential disruptions. Zerto version 10 is available only as a Linux appliance. This article will guide you through the process of migrating from a Windows-based Zerto Virtual Manager (ZVM) 9.7 to a Linux-based... Continue Reading →

How to Backup vCenter Server

vCenter Server is a critical component of VMware virtual infrastructure that centralizes the management of virtualized resources. It allows administrators to efficiently manage and monitor virtual machines, hosts, and data centers. As with any important system, it is crucial to have a backup of your vCenter Server. In this article, I will show you how... Continue Reading →

How to Configure vMotion in VMware vSphere

VMware vMotion is a powerful feature that enables seamless live migration of virtual machines (VMs) between hosts in a VMware vSphere environment. It allows administrators to perform maintenance, load balancing, and resource optimization without any disruption to the running VMs. In this article, we will walk you through the process of configuring vMotion in VMware... Continue Reading →

How to Install vCenter Server Root Certificate. Fix Browser Security Warnings and Datastore Files Upload/Download Issues

If you are a VMware administrator, manage vCenter and log in there on a daily basis, you are probably fed up with the browser security warning error. But you may also run into issues downloading/uploading files to your datastore with vCenter. In this article, I will show you how to install vCenter server root certificate... Continue Reading →

How to Reset vCenter Server Appliance Root Password

The root password is something that every server admin should keep in a well-secured vault or database, and believe me - a text file is not a good place. It would also be a good idea to remember the root password, but sometimes that's not easy. Passwords are usually very complex, containing about 15 or... Continue Reading →

What is a vCLS Virtual Machine and How to Troubleshoot It

vCLS VMs (vSphere Cluster Services Virtual Machines) are a new feature introduced in VMware vSphere 7.0 Update 1. vCLS VMs are a critical part of the new vSphere Cluster Services functionality, which provides an infrastructure service that ensures the availability of critical vSphere cluster services. vCLS VMs are lightweight virtual machines that are deployed on... Continue Reading →

PowerCLI Script: VM Info Report

Managing a large environment with hundreds or even thousands of virtual machines is a big challenge. Checking something manually on dozens of VMs is very time consuming. That's when scripts and automation come in handy. In this article I will show you a script that will generate a report containing information about all virtual machines... Continue Reading →

How to Deploy vCenter 8.0

vCenter Server 8.0 is another component of the new vSphere 8 released in late 2022. Since I already have ESXi 8.0 deployed, it's time to deploy the new vCenter in my home lab. If you already have vCenter 7.0 installed, you can upgrade to vCenter 8.0 using the following guide: How to upgrade vCenter Server Appliance... Continue Reading →

How to Deploy Ansible to Manage VMware Infrastructure

Managing a virtual infrastructure can be a challenging task, especially when you have a large number of virtual machines or ESXi hosts to manage. In order to manage these virtual machines, you need a tool that can automate the process and provide you with a single interface to manage all of your virtual machines. This... Continue Reading →

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