Virtual Geek

Tales from real IT system administrators world and non-production environment

Blog posts : "vsphere"

Add a vCenter Single Sign On Identity Source Active Directory (Windows Integrated Authentication)

This is a second part of my article How to join vCenter Server appliance to Active Directory, and here I am configuring Identity source on Single sign on. In my one of the previous article ADDING AND CONFIGURING VMWARE VSPHERE VCENTER SSO ACTIVE DIRECTORY AS LDAP SERVER  I used AD as ldap server…

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How to join vCenter Server appliance to Active Directory

I just finished deploying new VCSA 6.7 in my office for a new project, In this article I am showing procedure to join VCSA to active directory, and wanted to assign permissions to AD accounts but Active directory was not visible in permissions. For the same follow below steps on vCenter web client t…

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Installing VMware.Powercli latest version and Error Invalid server certificate Set-PowerCLIConfiguration

Way long back, After writing my my article VMWARE VSPHERE POWERCLI INSTALLATION AND CONFIGURATION STEP BY STEP, I decided today to upgrade my vSphere PowerCLI to newer version 10 in the office, I am choosing little bit different installation method instead of using exe installer, PowerCLI can be do…

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Using PowerCLI to Increase VMDK (Virtual disk) in VMware Virtual Machine

Below oneliner commands I recently used to configure multiple VMware Virtual Machines Hard disk, Task was to grow/extend VMDK virtual disk on more than hundreds of the virtual machine. Below is the main techniques and gist of the article and scripts. These one-liner commands also include the command…

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Esxi update individual component firmware on HP hardware: disk degraded not authenticated

Server hardware goes faulty is common in any organization, I was doing healthcheck on all vCenter, few of my ESXi servers were showing alerts on faulty storage controller battery and HDD storage issue, they were running on HP hardware, after checking ILO pages, hardware health status was in yellow o…

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Solved: Esxi server cannot joined into active directory domain

I assigned one task to my junior colleagues to configure authentication services on vmware esxi servers (Join esxi server into domain), They reported to me that they are not able to join few esxi servers in the domain and giving error. They followed correct instructions as shown below from my earlie…

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Create bootable USB from ISO file

I was planning to install VMware ESXi OS on newly purchased servers in my office, There was no remote console (ILO, DRAC, IPMI or IMM RSA) available, because networking was yet to be configured, till the time until network is up, being ahead of time, I wanted to install OS on the physical server, I …

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Part 3: VMware Powercli: Migrate VMs to another network

vMotion from all VMs on selected Esxi Host to other Esxi host via PowerCLI GUI

Currently I am doing complete VMware environment upgrade in my office in terms of hardware as well, After few plans I found most of my Esxi servers in VMWare clusters in my office were over committed. First question was by my boss was how do we perform it without degrading current VMs performance. T…

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How to convert RDM disk (Raw Device Mapping) to VMDK

In my previous article I shown Adding and sharing RDM disk to multiple VMs in VMware step by step, I received one related task to convert virtual machine RDM (Raw device mapping) hard disk to VMDK disk. Basically I require it to convert because, I was not going to use microsoft clustering anymore, a…

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ESXi 6.0 update offline bundle via esxcli commandline: DependencyError VIB bootbank requires VSAN ImageProfile

After completing updating my most of the ESXi 6.5 hosts in the environment as shown in ESXi 6.5 upgrade bundle via command line: No Space Left On Device Error, I wanted few standalone ESXi server to update to 6.0 version, for same offline bundle can be downloaded from I uploaded cop…

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ESXi 6.5 upgrade bundle via command line: No Space Left On Device Error

I received few standalone ESXi 6.5 hosts for patching for branch office, I wanted to upgrade build number on server, As there was no option of VMWare update manager for standalone esxi. Here I upgraded them using offline bundle zip. These requires offline bundle zip to be be downloaded from url …

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Upload files to vmware ESXi datastore: Different methods

Copying files to VMware Datastores is an easy task. Here in this article, I am showing 3 different methods to upload files to VMware datastores, You can use these methods to copy offline bundle zip, VIB, VMDK or ISO files. Ifyou are using VMWare vSphere web client to upload files to datastore, make …

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Resolved: Reset Esxi forgotten root password using hiren bootCD step by step

Powercli GUI: Determine the EVC Mode that vmware cluster should be configured

vmware vsphere esxi cluster, enhanced vmotion mode evc, cpu manufacturer, cpu generations, failover, drs, ha, vmware high availibility, distributed resource scheduler

I was evaluating one of the old project hosted on VMware in my office for a client, After ruff capacity calculation I found scarce of compute and memory resources in the VMware clusters. Few meetings and decisions, and sharing complete excel data and capacity planning for upcoming VMs, we decide…

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Adding and sharing RDM disk to multiple VMs in VMware step by step

I had a requirement to configure Two node Microsoft failover clustering on VMware VMs in my office, The plan was to configure clustered file server. Virtual machines has to be separated from each other and should be located on different esxi servers, My first task was to provide my colleague wintel …

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Create and configure VMWare vSphere VSAN cluster step by step

VMware vSAN is a Hyper-Converged storage (Software Defined Storage) solutions with a vSphere-native, high-performance architecture. With software defined storage, it has opened new opportunities to new skills. With vSAN we can use local disk and create highly available, scalable, high performance da…

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Emulate HDD as SSD flash disk on Esxi and VMware workstation

I was required (emulated) virtual fake SSD in VMware workstation for few demos and testing purpose. I am already using SSD on my system, If vmdks are kept on the Solid state drives, VMs detects vmdk disks as SSD/Flash disk, but if you don't have SSD, it can be easily emulated with a trick configurat…

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Configuring a vCenter PSC Single sign-on Active directory Integrated windows authentication

In my one of the earlier article I shown ADDING AND CONFIGURING VMWARE VSPHERE VCENTER SSO ACTIVE DIRECTORY AS LDAP SERVER, That was one of the security best practices, Here I am going to perform the same task but will use Active directory integrated windows authentication way instead. For this fe…

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Reset ESXi root password using Host Profiles on vCenter server: VMWare vSphere Web client

Recently I got assigned one of the VMware project, while taking handover I found esxi root passwords are not documented properly for the VMware infrastructure project, Luckily 40% Esxi host were joined into domain and I was able to reset password using Reset forgotten ESXi root password on Domain…

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