Category Archives: vCenter
Automating LDAPS Configuration on vCenter Server using PowerCLI and Bash
In today’s post, we’ll explore a PowerShell script that automates the LDAPS configuration (LDAP over SSL) on a vCenter Server. This script, named Configure-VcIdentitySourceLdaps.ps1, performs various tasks, including connecting to a vCenter Server, retrieving certificates from a domain controller, and configuring LDAPS with SSO (Single Sign-On). Let’s dive into the details of the script and…
How to configure Virtualization based security (VBS) and Guard Credentials with vTPM in vCenter 7.0 U2
Virtualization Based Security (VBS) is a Microsoft Windows feature that was introduced in Windows 10, Windows Server 2016 and higher. Microsoft VBS uses hardware virtualization features to create and isolate a secure region of memory from the normal operating system. For example, Windows can use this isolated memory space to store credentials (Credential Guard) to…
How to configure vSphere 7.x Auto Deploy
In this blog post, I will show you how to configure Auto Deploy in vSphere 7.x. What is vSphere Auto Deploy? vSphere Auto Deploy is a service that is available in vCenter. You can easily provision ESXI hosts in minutes by using vSphere Auto Deploy in combination with PXE boot and Host Profiles. By default,…
Unable to eject/cancel VMtools ISO in vCloud Director 9.7
During a maintenance on of the hosts I manage, I discovered that the host was unable to go into maintenance mode because of an mounted VMtools ISO. I was unable to easily unmount the VMtools ISO from the virtual machine. In this article, I will show you how to troubleshoot and eventually how to fix…
No DNS resolution after successful deployment of vCAv 3.5.1 appliance.
For the preparation of a migration, I needed to deploy a vCAv 3.5.1 appliance on the source site. The migration was going to be from vCD 9.5 to vCD 9.7 platform. During the initial setup of the vCav appliance, I ran into an issue when configuring the lookup service. The error message I got was:…
How to enable VMware vSphere authentication proxy with ease in vCenter 6.7 – Step-by-Step
vSphere authentication proxy is a service that is available in every vCenter server. By default, the vSphere authentication proxy service is set to manual and the service is not in a running state. With vSphere authentication proxy you can easily domain join an ESXI host. The vCenter server will serve as a proxy to domain…
How to successfully repoint vCenter 6x appliance to another platform service controller – Step-By-Step
Repoint vCenter server to a another platform service controller is quite easy. Recently I needed to repoint a vCenter in a different site to it’s dedicated platform services controller. The current setup was an enhanced linked mode of two vCenters pointing to the same platform service controller. By deploying an additional platform service controller in…
Failed to set the time via NTP Details – vCenter upgrade failed 6x Step-By-Step
Yesterday I had a scheduled maintenance to upgrade a vSphere environment from 6.5 to 6.7U2. This includes the upgrade from vCenter version 6.5 to 6 7U2C. Unfortunately I had a NTP error that caused the failure of the upgrade job. The deployment of the target (vCenter) appliance with the ISO file provided by VMware wasn’t…
Unable to perform a VM task like vMotion or Snapshot in vCenter 6x – Step-By-Step
This week I had an VM that couldn’t perform an vMotion or a snapshot task. Performing one of these tasks results in an error message as shown in the picture below: Troubleshooting One of the first steps I did was checking the VM log of that particular VM for any errors. This is very simple…