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vCenter 6.7 Appliance fails after the first reboot
I have been getting few requests lately of vCenter 6.7 Appliance installation fails after the first reboot. It sounds like a common theme mostly in lab environments. Below is one of the quite few similar errors that I have received. “A problem occurred during setup. Services might not be working as expected – Starting VMware…
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Host Profiles – Number of ipv4 routes did not match
As we have setup a new cluster of four ESXi 6.5 hosts, we have extracted a host profile from one of the hosts that we have setup to my customer corporate standards. After applying that host profiles to the other three hosts, we were able to quickly resolove all non-compliant issues except one where it…
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How to Downgrade VM Hardware Version
I have often got the question if you can downgrade your Virtual Machine Hardware version from the latest version to a previous version. There is many reasons why you might want to downgrade your VM Hardware Version, but below is few common ones I have heard: VM hardware version you upgraded to is not supported…
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My Home Lab Converged Infrastructure Challenge
As I had some challenges with my Home Lab due to some hardware failure, I had to revert from using a dedicated storage box (White box + Windows + bunch of disk + StarWind Virtual SAN) as I no longer have the luxury of having that extra machine to use. I have ended up with…
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Unable to establish an SSL connection with vCenter Server
While trying to export one of my VMs into OVF from my virtual infrastructure using the vSphere Web Client, I kept getting the following error: “Could not connect to the remote resource: SSL connect error”. I have as well tested to import OVF templates into my VMware vSphere environment, and I was getting the same error,…
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Learn Virtualization & VMware vSphere from Scratch
Few months back I got to speak to different friends of mine in the IT field, who were specialized in networking, storage, SAP, Database, Hardware and so on. I was surprised they had zero to little exposure to Virtualization although they are well versed into their field of expertise. They even held highest certifications in…
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VMware Health Check Analyzer stuck
Alright this post is dedicated to my colleagues at VMware as well VMware partners who got access to the VMware Health Check Analyzer and use it to help them collect data to include in their vSphere health check report. I have noticed when running the VMware Health Check analyzer with the default options against a…
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Why VMware Load Based Teaming (LBT)
VMware load based Teaming (LBT) is one of the great feature that was introduced a while back with vSphere 4.1, though it seems many admins have over looked it. As part of my job in consulting, I get to see many customers environments through out the year. It is really common to see customers who…
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Free Transition to ESXi essential training
As many organization today are in the process for moving from VMware ESX to to ESXi, it has been important to VMware to educate its partners & customers of the process and difference. For that VMware is offering a free web training “Free Transition to ESXi essential training” to everyone who want to learn more about ESXi.…
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VMware ESX is End of Life, in the future only VMware ESXi will exist
Going through VMworld 2010 video, I was not too surprised of getting the news that VMware ESX will be discontinued & only VMware ESXi will exist forward. Actually it seemed a news that had been circulating for a while, but finally its official now. Watch the below VMworld video from VMworld TV which clearly state…
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When VMware ESX & When VMware ESXi
I have seen tons of articles talking about the differences between VMware ESX & VMware ESXi, but I have not seen many that discuss when to use them. I have noticed that many of my customers get even more confused when reading comparisons between the two, as not all of them have deep understanding of…
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VMWare ESXi editing the Hostfile
If you are as paranoid with redundancy as my team & I are, then entering the hostnames & IPs of all the server in a cluster into the VMware host file is a must. As your VMware HA is dependant on your servers being able to resolve the names of itself & other ESX server…
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VMware ESXi – Console Access (Unsupported)
Did the title bring your attention? Have you heard that one of the main reasons for VMware ESXi was to get rid of the service console? Are you sure there is no console in VMware ESXi? The true is there is still a very tiny console in VMware ESXi, though it has way smaller foot…
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ESXi cmd addnode failed for secondary node: /opt/vmware/aam/bin/ft_startup failed to complete within three minutes
In the past few weeks, I had been hit by many calls of many of my colleagues & customers being hit by the following error when trying to configure VMware ESXi HA: “cmd addnode failed for secondary node: /opt/vmware/aam/bin/ft_startup failed to complete within three minutes” After investigating the error for sometime & searching on the…
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Changing the VLAN ID of a ESX Service Console using Command Line
A good amount of ESX admins ask on dialy basis how to change the VMware ESX Service Console Vlan using command line. As I decided to save time by writing the steps for these kind of questions to send it to others when asked. I will document these commands in here: First of all check…