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Blog posts : "esxi"

Troubleshooting replacing a corrupted certificate on Esxi server

While deploying your own certificate on ESXi server you need to follow certain requirement to create it as shown here, if new generated certificate is not correct as per the standard and if they are replaced overwritten without proper backup, it can cause connection error on ESXi server and you wil…

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vCenter server appliance 6.5 deployment Error The supplied system is not valid

I was setting up a new VMware vCenter server appliance for a new project. While in the middle of setup of vCenter post deployment configuration I was keep receiving below error as log.

Messages
Error: The supplied system name FQDN is not valid.
Resolution: If the supplied system name is a FQD…

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Replacing a default ESXi certificate with a CA-Signed certificate

Push SSL certificates to client computers using Group Policy

In my earlier article I shown how to Generate new self-signed certificates for ESXi using OpenSSL. Importing this certificate in local certificates store is good for single computer or 2-3 systems, but may be tedious task if you want to maintain it on more than 10 systems, think what happens if the…

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Generate new self-signed certificates for ESXi using OpenSSL

Solved Esxi host disconnected evaluation license expired

In my vmware vSphere homelab, I found my Esxi hosts were showing disconnected in vCenter. I tried connecting esxi host through vmware vSphere web client. But I was getting error notification of reconnect host failure with the message Evaluation mode licenses expired.

Task Name: Reconnect host

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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 my.vmware.com. I uploaded cop…

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ESXi HP Blade start issue Enclosure power event detected, System Halted until power condition is corrected

Sometimes I receive below error on the HP Prolient Bladesystem ILO after server reboot, it refuses to complete post, shows message, 
Enclouse Power Even Detected
System Halted until Power Condition is Corrected

In most of the case to resolve it I reseat the blade in chassis enclosure (Remove …

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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

Reset HP ILO password from Esxi server

Recently I got some new VMware projects, there HP servers ILO Administrator password were poorly managed and documented. When I took handover I didn't know ILO Administrator passwords for most of the HP servers. I wanted to streamline the the same. As servers were at the remote location and few data…

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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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