How to configure PSC ring topology

In the last couple of projects, I was tasked with designing a new Platform Services Controller (PSC) and vCenter Server Appliance (vCSA) topology based on specific availability requirements. One of the things I noticed is that admins tend to forget that you need to create a PSC ring topology in a multi-site PSC & … [Read more...]

Firefox does not trusts vCenter signed CA certificates

For a vCenter Server environment I replaced the default SSL certificates with CA signed SSL certificates. The Platform Service Controller (PSC) is configured as VMCA subordinate CA. When opening the vSphere Web/HTML5 Client, Firefox displays the following warning: Your connection is not secure. This is because Firefox … [Read more...]

Deploy an OVA/OVF fails with certificate error

When trying to deploy an OVA/OVF with the vSphere Web Client the following error is displayed: The operation failed for an undetermined reason. Typically this problem occurs due to certificates that the browser does not trust. If you are using self-signed or custom certificates, open the URL below in a new browser tab … [Read more...]

VMware: How to reset the lost or forgotten root password in vCenter Server Appliance 6.5

To reset the lost forgotten root password in vCenter Server Appliance 6.5: Take a snapshot or backup of the vCenter Server Appliance 6.5 before proceeding. (Do not skip this step.) Reboot the vCenter Server Appliance 6.5. After the OS starts, loading the Photon splash press e key to enter the GNU GRUB Edit Menu. Locate … [Read more...]

How to recover from isolated vCenter HA nodes

During some vCenter HA testing for a customer, I ended up in a situation where all nodes in the vCenter HA cluster could not communicate with each other. This means that all three nodes: Active, Passive, and Witness could not communicate with each other. This is more than a single point of failure and when this … [Read more...]

vSAN Health Check fails on vMotion

Advertise here with BSAOn Slack someone asked why the vMotion check for vSAN 6.6 Health Check was failing constantly. It was easy to reproduce when using the vMotion IP Stack on your vMotion VMkernel interface. I went ahead and tested it in my lab, and indeed this was the case. I looked around and then noticed the … [Read more...]

Update the vCenter Server Appliance (VCSA) without internet

In this blog post I highlight how to patch or update a single vCenter Server Appliance (VCSA) without having an internet connection. The patch will be stored on a temporarily web server that is installed on a Windows machine. In this example we update the vCenter Server Appliance version from 6.0 Update 2 to 6.0 Update … [Read more...]

vCenter appliance database issue

Recently I had an issue in my homelab environment. Because of some power outages, my vCenter Appliance hadn’t been shutdown correctly and now vCenter didn’t start correctly anymore. After some searching I found that the database could not be loaded. In the VMware KBs I couldn’t find anything that … [Read more...]

VSAN Health checks disabled after upgrade to vCenter 6.0 U2

Advertise here with BSAYesterday at the Dutch VMUG I was talking to my friend @GabVirtualWorld. Gabe mentioned that he had just upgraded his vCenter Server to 6.0 U2 in his VSAN environment, but hadn’t upgraded the hosts yet. Funny enough later someone else mentioned the same scenario and both of them noticed … [Read more...]

Here you go, VSAN 6.2 GA!

Advertise here with BSAWe’ve been talking about if for a while now, but last night the moment finally arrived… VSAN 6.2 aka vSphere 6.0 Update 2 was released. I am not going to go in to any level of depth here, as I have written many posts on the subject of VSAN 6.2 already, and so has my friend Cormac, the … [Read more...]