How to fix: vSphere VUM: GUI error that prevents upgrades!

If you, as a vSphere Administrator, regularly update a vSphere environment you should be using vSphere Update Manager. vSphere Update Manager is the tooling that VMware made so that you don’t have to install patches through the command line on each host, or do updates on each host separately! And …

How to shrink VCSA logical volumes before an upgrade

I found that especially when you migrate Windows vCenter servers to the VCSA you might end up with a deployment size that is less than optimal. Some people say; don’t worry, it’s just thin provisioned. But I’m an old-school guy and I like to keep things neat and simple. The …

Remediating Host with ESXi 6.5 VUM “The host returns esxupdate error code:15 error

The other day I was patching a couple of hosts on one of our environments. All worked out fine until I got one host that refused to update from vSphere ESXi 6.5 U1 to ESXi 6.5 U3. Throughout the day this host actually gave me loads of different errors. In …

Slow boot times ESXi with (p/v)RDM’s easy fix

Recently we have been having (extremely) slow boot times for a couple of hosts that we’ve been using for a new customer. We actually didn’t really notice this in the beginning, until we added hosts to the existing cluster and the reboot for that host took over 3 hours! The …

What hypervisor is my linux VM running on?

Lately I’ve been responsible for migrating quite some VMs from a Hyper-V platform to vSphere. One of the applications I migrated started experiencing some intermittent network issue. And sure enough it turned out the old VM was started again. This left me wondering; how can I check what hypervisor I’m …

How to get vCD 9.1 and higher to work with vCloud Usage Meter 3.6.1

Since we are in the process of adding a boatload of new products to our environment and services, we needed to add our new vCloud Director instances to our vCloud Usage Meter environment. For those that don’t know; VMware vCloud Usage meter is used to measure the license usage for …

Another Veeam 9.5 U3a with VMware vSphere 6.7 U2 trick

In a previous post I posted back in december 2018 (CLICK HERE) we experienced issues while using on of our Veeam 9.5U3a environments together with VMware vSphere 6.7 U1. Since time has passed and Veeam has released support for vSphere 6.7 U1 (Veeam 9.5 U4) and vSphere 6.7 U2 (Veeam …

How to fix an expired VCSA Machine SSL certificate with a bugged vmware-eam service

Recently we’ve had some weird issues on one of our customers vCenter Servers. For starters the vMotion and Storage vMotion features weren’t working anymore because of time-outs. Which is weird and something I’ve never seen before. So we started troubleshooting the VCSA server and noticed that it couldn’t retrieve the …

vCenter Appliance (VCSA) Web Client timeout settings

Recently we had a customer asking us if we could change the timeout on the vSphere Web Client because they had some issues with the default 120 minutes / 2 hours that are configured in the vCenter settings. Changing this is rather simple and can be done in the following …

VCSA 6.7 U1 /storage/archive partition full

The other night I got paged up that one of our VCSA servers had a full partition. After looking into it, it seems that the /storage/archive/ partition was filled up. When browsing through the partition I quickly noticed that the “vpostgres” folder was the culprit. It was all filled up …