vSphere Archives - IT-REACT

Recover an accidentally deleted VMFS Datastore (vSphere version 8)

Accidentally deleting a datastore in a VMware ESXi environment can feel like a catastrophic event, especially when the datastore is shared across multiple hosts. In this article, we’ll discuss the step-by-step process of recovering a deleted datastore, specifically when it was removed from one ESXi host and subsequently disappeared from all associated hosts. The goal is to help you understand the available recovery options and ensure data is restored with

How to Configure Email Notifications and Alarms in VMware vCenter 8

Monitoring the health of a virtualized environment is very important to maintaining uptime and detecting potential issues early. VMware vCenter 8 provides robust alarm and notification features that allow system administrators to be promptly alerted via email when specific conditions occur. In this guide, we’ll walk you through the process of configuring email notifications and setting up alarms in VMware vCenter 8. Table of Contents 1. Introduction Alarms and notifications

Mastering VMware Snapshots with PowerShell/PowerCLI

In the world of virtualization, managing resources efficiently is super important. If you’re an administrator dealing with virtual environments, using the right tools is a must. That’s where PowerShell comes in—a really helpful tool that can make managing VMware snapshots easier, so things run smoothly and problems get solved fast. Simplifying Virtual Management with PowerShell Imagine a world where things happen quickly and accurately. That’s exactly what PowerShell does. With

vCenter 7 [FAILED] – Failed to start file system check

I am having a VMWare Lab running on VMWare Workstation. The Lab is having 2 ESXi instances and vCenter is running on top of one of the ESXi. Datastore is iSCSI connected to a Windows Server 2019 running also on VMWare Workstation. Recently vCenter has been experiencing some issues with the Datastore and was refusing to initiate with the following error – [FAILED] Failed to start File System Check on

Upgrade VMware ESXi from 7.0.3 to 8.0 – Incompatible

Upgrading your VMware ESXi host can be an exciting time for your organization, especially when you are upgrading from version 7.0.3 to the latest version 8.0. With new features, bug fixes, and performance improvements, the process can bring significant benefits to your virtual environment. However, the upgrade process can also bring unforeseen issues. In this blog post, we will explore some of the common issues that can arise during an

Fix Migration option for a VM is greyed out

This morning I had to do an ESXi software upgrade within 1h service window. The ESXi Host was configured in a Cluster (3 Hosts) with vMotion active, but no DRS. I was able to move all the VMs running on the host to other hosts, except one. This VM was having an USB Dongle connected to it and stuck to the ESXi Host. The plan was to shut it down

Upgrade VMWare vSphere from version 6.7 to 8

Today I’ve decided to upgrade my VMWare LAB from version 6.7 to version 8. Even it is a straightforward process, I would like to share it, maybe it can help someone in some way. If you are having only a customer account at VMWare, you have to register first to be able to evaluate vSphere8. So looks my evaluations board on VMWare portal. After registering, you will be able to

Changing your vCenter Server’s FQDN

In this post I would like to show you how you can change your vCenter Server’s FQDN. You can have different reasons for doing this. I have to do it because I had some problems when upgrading vCSA from version 6.7 to 8. My FQDN was vcsa.lab.local and I reconfigured it to vcsa.vsphere.local. For more details you can also check this link. Please note that the reconfiguration of FQDN is

vSphere Web Client (Flash) no longer works with Firefox after upgrading from vCenter 6.0 to 6.5

We’ve just finished upgrading VMWare infrastructure from version 6.0 to version 6.5 and we’ve noticed that vSphere Web Client (Flash) is not working anymore with Firefox. After accessing vCenter IP Address, we select vSphere Web Client (Flash) as in the screenshot and we are getting the following error: “Error: Error #2134at com.vmware.flexutil.logging::StorageObjectWriter/initialize()at com.vmware.flexutil.logging::StorageObjectWriter$/getInstanceByName()at com.vmware.flexutil.logging::LocalStoreTarget/initialize() at com.vmware.flexutil.logging::LogManager$/addTarget()at com.vmware.flexutil.logging::LogManager$/addConfiguration()at com.vmware.flexutil.logging::LogManager$/onConfigLoaded()at ConfigurationLoader/onLoadSuccess()at flash.events::EventDispatcher/dispatchEvent()at flash.net::URLLoader/onComplete()” Our Firefox version is 70.0.1. The solution is pretty

VMWare Update Manager Error – VCSA 6.5: Host cannot download files from VMWare vSphere Update Manager patch store

After upgarding VCSA to version 6.5 at one of my clients, I’ve tried to upgrade also the ESXi Hosts. I’ve made the Baselines in VUM and attached them to the hosts. So far everything went smooth. After that I’ve scanned the hosts for updates and this is the moment when the error came up: “Host cannot download files from VMware vSphere Update Manager patch store. Check the network connectivity and

Tag: vSphere