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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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Myth busted: vCenter Site Recovery Manager using vSphere Replication for Datacenter migration causes data loss
It seems there is a lot of confusion out there on how vCenter Site Recovery manager work with vSphere Replication when used for a data center migration, thanks in big part to competing products FUDs. Many admins still believe that using vSphere Replication with vCenter Site Recovery Manager for data center migration you will still…
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vCenter Server Appliance (vCSA) 6 limitations removed.
If you have been using the vCenter Appliance (vCSA) in vSphere 5.5 or been considering it, then you are more likely aware of its limitations. You might have in the past as well looked at my blog post that highlighted the vCSA 5.5 limitations found at: vCenter Server Appliance 5.5 limitations. The good news in…
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VMware vCenter 6 Installation Steps
I wanted to demonstrate how VMware vCenter 6 installation is a bit different than vCenter 5.x, and the below post show the installation steps of VMware vCenter 6 basic install. 1. Make sure you have minimum requirements and the OS you are using is on the compatibility list of vCenter 6.0. The below table demonstrate…
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VMware vSphere 6.0 is here!
Today VMware has made a big announcement of the long waited VMware vSphere 6.0, while the bits are not available for download yet, it will follow shortly. The all new vSphere 6.0 is loaded with new features, that many of you were waiting for it for years. In this post, I will cover what’s new…
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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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vCenter Server Appliance 5.5 SSO Issues
While rebuilding my home lab to use the latest version of vCloud Automation Center, I have decided to rebuild it from scratch with the latest vCenter Server Appliance and ESXi. After deploying the vCenter Appliance 5.5c and going through the configuration, I wanted to join the appliance to my domain and allow users from my…
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Assign Domain Users vCenter Single Sign Administrator Privileges
If you have upgraded your Virtual Infrastructure to vSphere 5.1 or 5.5, you are already aware of the addition of Single Sign On. When installing Single Sign On, a default user Admin@System-Domain is created for you with a password that you have assigned to it during the vCenter Single Sign On installation. The Admin@System-Domain user…
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Backup & Archive to the Cloud with PHD Virtual Backup 6.5
PHD Virtual has approached me for feedback on their upcoming PHD Virtual Backup 6.5. I have been granted access to an early beta version of the product to try it out, while they have added many enhancement to the product, the one that have got my attention the most is being able to send your…
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ATS-Only VMFS Volume ‘VMFS5’ not mounted. Host does not support ATS or ATS initialization has failed.
While being at a customer site last week, I was asked if I could help with a mysterious VMFS datastore behavior. That particular datastore out of a sudden became none accessible and they could not carry out any changes to it. They can not VMotion in or out of it, or even create a folder…
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How to replace vCenter 5.1, SSO, Web Client, vCO Certificates
With the release of vSphere 5.1 certificates started to play a much more vital role, where having invalid certificates in your environment is not an option anymore as it could break the operation of your environment as well forbid you from logging in. This change has been done to increase the security of your Virtual…
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vCenter Single Sign On 5.1 best practices
Since vCenter Single Sign On was introduced in vSphere 5.1, many questions have been rising around it. There seems to be a very limited amount of resources out there that document best practices related to vCenter Single Sign On, which is the reason for me to develop this post where I will try to combine…