vCenter 7 update fails with error

vCenter 7 update fails with error

Recently I wanted to update my VMware vSphere vCenter in my lab environment from vSphere 7 U1 to U3 latest release. Unfortunately each vCenter 7 update try fails with “install hook failed” error at 80 %. Since this troubleshooting and trial and error was very time consuming, I thought it was a good idea to share the solution. Hoping this post will save you the […]

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VMware Aria Operations – go beyond standard Super Metrics

VMware Aria Operations – go beyond standard Super Metrics

This post is about Super Metrics in VMware Aria Operations (also know as: vROPs and vRealize Operations Manager) and how to go beyond the standard calculations. Super Metrics are a powerful feature for creating own metrics. Anyone who has ever worked with super metrics knows that it is not always easy to find the way to the goal. In this post I want to show […]

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Options for Updating VMware Tools at Scale

Options for Updating VMware Tools at Scale

Recently I wrote a detailed blog post about VMware Tools and the options available to update them at scale. Because this post was published on VMware’s blog Customer Experience and Success, I cannot publish the same post here. Therefore, I am summarizing my article here and providing the link to it. The first part deals with understanding VMware Tools Updates. It focuses on compatibility, what […]

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Issue with vSphere vCLS VMs

Issue with vSphere vCLS VMs

This short post is about an issue in VMware vCenter that causes vSphere Cluster Services (vCLS) VMs fail to deploy. Because of this cluster functions like Distributed Resource Scheduler (DRS) doesn’t work. My post shows a solution for this problem.

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Does Microsoft KB5021131 break vCenter login?

Does Microsoft KB5021131 break vCenter login?

Microsoft published a security update for Windows. If you see my blog posts, you will see, I am no Microsoft-guy. But there are some rumors about KB5021131. Does it break VMware vCenter login? What is KB5021131 about Microsoft will enforce applications to use the more secure AES algorithm for Kerberos encryption instead of the unsecure RC4-HMAC. For sure a good idea! Statement from KB5021131: This […]

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VMware Security Hardening Guides and how to check compliance

VMware Security Hardening Guides and how to check compliance

In times of Ransomware , security breaches and exploits it is more and more important to harden every layer of IT infrastructure. This blog post is about hardening options of VMware layers. I will describe the concept of the VMware Security Hardening Guides and how to check compliance with VMware Operations Manager.

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How to isolate NBD backup traffic in vSphere

How to isolate NBD backup traffic in vSphere

A new feature in vSphere 7 is the ability to configure a VMkernel port used for backups in NBD (Network Block Device) respectively Network mode. This can be used to isolate backup traffic from other traffic types. Up to this release, there was no direct option to select VMkernel port for backup. In this post I show how to isolate NBD backup traffic in vSphere. […]

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Scripting Veeam SureBackup with tag-based backup jobs – Workaround

Scripting Veeam SureBackup with tag-based backup jobs – Workaround

This post might be interesting for anyone who scripts Veeam SureBackup in any form. In this case you probably use the script of Luca Dell’Oca: How can you test 1000 VMs with Veeam SureBackup? This script is great and works just fine! A limitation here is that it is not possible to change default timeouts for boot and application initialization. Honestly this was a limitation […]

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Analyze Veeam backup job selection with PowerShell

Analyze Veeam backup job selection with PowerShell

In this short post I show how to analyze Veeam backup job selection with PowerShell. I share two simple code snippets. The first will list all Veeam backup jobs with selected object types for VM backup. These can be Virtual Machines, Tags, Hosts and so on. Second part will show all jobs that use different object types. This can be very helpful to get an […]

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vCenter does not start after changing DNS servers

vCenter does not start after changing DNS servers

Recently I had to change DNS server in a VMware vSphere vCenter Appliance (VCSA). Normally this works without further issues. This time it was different. vCenter services did not start after changing DNS servers. I describe in this short post what went wrong and how I could fixed it.

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