Category: VMware

8. July 2022

Power On virtual machine – Module CPUID power on failed

If you want to make VM creation easier, you may have VM templates in your VMware vCenter, in addition to automation tools. Accordingly, I wanted to use a Windows Server 2019 template and build a VM from it. In the process, I ran into an error that had not happened to me before: The error message says: Module CPUID power on failed. Failed to start […]

27. June 2022

Create VM Customization Specifications for Windows Server 2019

In this post we will see on how you can create VM Customization Specifications policy in VMware vCenter for a Windows Server 2019 VM Template. VM Customization Specifications allows you to configure few options for your Guest OS which is running inside your VM. You can configure things like Timezone, Admin Password, Licesing, Network etc. The most important requirement to apply this policies is, that […]

17. March 2022

VMware ESXi 7.0 – Remove Host Client session timeout

In VMware ESXi 7.0 the Host Client Web Interface session timeouts automatically every 15 minutes and then you have to log back in to the ESXi Host Client Web Interface again. To avoid this tedious situation you can increase the session timeout changing an advanced configuration parameter in the ESXi Host Client Web Interface. !!! WARNING !!! For security reasons, timouts should be kept low and not removed. Using your […]

8. March 2022

How to back up ESXi host configuration

This article provides steps to back up and restore the ESXi host configuration. There are two conditions that need to be satisfied: 1 – The destination build number of the host matches the build from which the backup was taken.2 – The UUID of the host remains the same. You can backup and restore the host configuration using one of these methods: ESXi Command line […]

24. February 2022

Dell EMC PowerEdge Server TPM Support on vSphere 7.0

TPM stands for Trusted Platform Module. It is a chip that provides basic security functions on a hardware basis. It can be used to ensure the integrity of a system and platforms such as computers and servers or other electronic devices like smartphones. The chip is protected against manipulation by security mechanisms and, for example, generates, provides, stores or controls the use of cryptographic keys. […]

27. January 2022

How to change E1000 into VMXNET3 vNIC on a Windows VM

No matter what the situation, there may be a requirement to change the vNIC of a VM from E1000 to VMXNET3. In my case I have changed my whole network infrastructure to 10 Gbit, Linux VMs are easy to migrate but Windows VMs are a little bit problematic, so I want to show you with this example how it works. Using the VMXNET Generation 3 (VMXNET3) […]

18. January 2022

VMware ESXi 6.7 Upgrade to 7.0 (and 8.0) – Missing dependencies VIBs Error

In this project we had a stack consisting of 3 individual VMware ESXi 5.5 servers. These are the Cisco UCS C240M4S2 model with Intel XEON v3 CPUs. As mentioned earlier, 09/18/2020 was considered End of Support for ESXi 5.5 and so most are now forced to update their environments to the latest version. First we check via VMware Compatibility Guide if the hardware component, BIOS […]

13. January 2022

How to export an ESXi 5.5 VM for Restore

In case you don’t have a backup solution in your home labs but also surprisingly in your company. I would like to show you a backup variant for your VMs. Please note that a backup is necessary in the home lab as well as in the company for long-term data consistency. This is by no means a professional backup solution but intended for the case […]

6. December 2021

Home Lab Nomination by VMware vSAN

On Saturday my Home Lab was nominated by VMware vSAN and posted on their twitter page, something like that makes you proud after all. BIG THANKS to VMware 🙂 That’s just the beginning of a great Adventure.

1. December 2021

Error 500 after upgrading VMware vCenter to 7.0.2.00200

I tried to update my ESXi hosts after updating to ESXi 7.0 U2 with build 17867351, but I received the following error message: After reviewing the logs and restarting the vCenter, I found no solution until I became aware of this Knowledge Base article from VMware, which subsequently solved my problem. To fix this error message, the VMware Update Manager database of the vCenter must […]