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Blog posts : "esxi"

vCenter Server Public Key Authentication configuration SSH error received disconnect Too many authentication failures

This article is a second part of vCenter Server SSH received disconnect Too many authentication failures. In ther earlier article I resolved error without touching or configuring the VCSA (vCenter Server Appliance Server) to skip public key authentication. In this article I will configure VCSA serv…

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VMware PowerCLI Connect-VIServer Object reference not set to an instance of an object

While connecting to ESXi server with VMware PowerCLI from one of my server I was keep receiving below error. I wasn't able to connect to ESXi server directly from PowerCLI module. 

@SERVER01 ~ Connect-VIServer ironman.vcloud-lab.com
Connect-VIServer :  Object reference not set to an instanc…

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Powershell GUI VMware ESXi custom patch bundle builder

Every time VMware releases ESXi patches, and I need to patch them on different projects with few modifications to patch bundle, by trimming down few driver VIBs packages or add third party driver vibs zip files packages. I do everything with PowerCLI commands. But as I wanted my colleage to perform …

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VMware PowerCLI The remote server returned an error: (407) Proxy Authentication Required

"The remote server returned an error: (407) Proxy Authentication" - This is another issue I faced when working with VMware PowerCLI, Although I had already resolved another error in VMware PowerCLI Connect-VIserver Could not connect using the requested protocol, Only the difference was it was not …

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VMware PowerCLI Connect-VIserver Could not connect using the requested protocol

While working on one of the client systems, I freshly installed PowerCLI module and while connecting to VMware vCenter server I was receiving below error.

Another Error: VMware PowerCLI The remote server returned an error: (407) Proxy Authentication Required

Connect-VIServer :  6/05/2021 3:…

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VMware vCenter server Error no healthy upstream

After completing VMware vCenter server appliance (vcsa) installation and configuration, when tested vCenter UI url https://vcenter:443/ui, I was receiving below error. I restarted vCenter server vcsa multiple times, checked if DNS entries (A host record and PTR pointer record) exists in DNS server …

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vCenter ui sorry this website doesn't exist 404 not found

Recently I was working with my friend to test my home lab, I gave him access to my vCenter server and he connected to my wifi network, but when he was testing IP of vCenter server he was able to connect through IP and when he was landing on to the vCenter FQDN SSO saml token page he was receiving er…

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PowerCLI oneliner get the list of users and groups from vCenter SSO

I was doing the audit of VMware vSphere vCenter servers to know the users and groups list on the vsphere.local SSO domain (If any custom new user or groups created), Below simple one-liner script helps to fetch the list of groups from vsphere.local single sign on domain. 

Import-Module VMwa…

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Ansible Error couldn't resolve module vmware.vmware_rest

After resolving error VMware ansible Error couldn't resolve module community.vmware, I faced another error while upgrading hardware version on the VMware Virtual Machines, while using ansible vmware.guest in the task. Which derived from main module/plugin vmware.vm_rest. Below is the test tem…

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VMware ansible Error couldn't resolve module community.vmware

Recently while working with one of the old ansible server where I wanted to automation to get the list of VMware vCenter virtual machines list, and the ansible playbook was failing due to few prerequisite, In below script I was using community.vmware.vmware_vm_info ansible module/plugin to get th…

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Guide to building a Home Lab

Recently I purchased one laptop as an addition to home lab and for personal use. Over the period slowly I have increased systems in my Home Lab, Now even though if I buy systems with smaller hardware it works great as an overall addition. And in my lab I can run any setup ie vmware, windows, contain…

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VMware vCenter Server Management Exception in invoking authentication handler user password expired

While logging to vCenter VAMI portal (VMware vCenter Server Management Port 5480), I was receiving below error message with my root login.

Exception in invoking authentication handler User password expired.

This issue is due to the root password for VAMI portal is expired. Although you can st…

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VMware LifeCycle Manager import updates bundle and patch ESXi server

With VMware vCenter version 7 Lifecyle Management is greatly improved as with new name lifecycle manager with new features (formerly VUM [VMware Update manager]). The new innovations for lifecycle management in vSphere 7 make it easy for customers to have consistent and up-to-date systems. The major…

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How to update a patch on an ESXi host via command line

When it comes to upgrade/update patches or ESXi version my preferred method is VMware Lifecycle manager / VMware update manager vum. But there are scenarios or issues while updating ESXi using VUM / LifeCyle manager or also this procedure helps if ESXi server is standalone and not managed by vCenter…

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VMware LifeCycle Manager There are conflicts from the patches selected for staging or remediation

I was testing ESXi patching through Lifecycle Manager/VUM (Vmware Update Manager). While remediating patch bundle on ESXi server, there was electricity issue and my Esxi server and vCenter server got powered off abruptly in the middle of update. After powering on the vCenter and Esxi server I tried …

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Configure PTP (Precision Time Protocol) on ESXi Server

Time keeping on ESXi server is a best practice, It helps in SSL certificate authentication and troubleshooting (logs/activities), it is very essential to Time configuration settings on ESXi server after deployment or after later. I have written two articles earlier on this topic.

vSphere ESXi s…

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PowerCLI create, modify and assign tag and tagcategory

This script is written using VMware Powercli module and its purpose is as similar as earlier written script Powershell vCenter server Rest API create and assign tag and tagcategory for creating and modifying Tag and TagCategory, only the difference is earlier script is written using vSphere API t…

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VMware Skyline Collector Password Recovery (KB52652)

After configuring few instances of VMware Skyline I found I am no longer able to login through ssh root or on web portal through admin, the default password was not working. Another thing was whenever logging through SSH tool I was getting root is locked up. For this skyline has simple and nice know…

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PowerCLI Add a SCSI Controller to a Virtual Machine

My requirement was to write and automate adding a new virtual SCSI controller to virtual machines using PowerCLI. For this task there is cmdlet is already available New-ScsiController. But the problem with command is, standalone virtual SCSI controller cannot be added. It has to add new or existing…

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Esxi Registration unregistration of third-party IO filter storage providers fails on a host

While installing and testing ESXi 7 on the summary page it was showing warning message in yellow Registration/unregistration of third-party IO filter storage providers fails on a host

VMware has already KB provided for this issue - https://kb.vmware.com/s/article/55774. According to VMware this

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