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 […]
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 […]
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.