Sounds like a simple task to remove a vCenter from Enhanced Linked Mode (ELM). Basically ELM enables more vCenter instances to use a single SSO-domain. Most solutions I found talked about offline respectively dead vCenter instances. But I was looking for a solution to get a running vCenter out of ELM. And it should stay online after the removal! Fortunately, there is a simple way […]
These days I reviewed a few PowerShell scripts for Veeam Backup & Replication I created some times ago. Long before v12 went GA. I want to share the changes in Veeam v12 PowerShell Module that made scripts crashing or, even worse, lead to total wrong results. Currently I found two areas with important changes in the Veeam VBR PowerShell module. SureBackup and querying for backup […]
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 […]
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 […]
Some time ago a customer was suffering from various backup failures in Veeam Backup & Replication. After some time – about two weeks – the backup seems to become more and more unstable. First there were isolated errors. As time went on, more and more errors occurred. Errors that occur Some of these errors were: [Error: Only one usage of each socket address (protocol/netv/ork address/port) […]
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 […]
A huge amount of new features and detail improvements are coming with the new version of Veeam Backup & Replication (VBR) v12! My blog post series is about the smaller features and improvements in v12. So take a look at what else is new in Veeam VBR v12.
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.
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 […]
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.