A new curious VMware Cloud Director 10.x UI bug if you move a VM to another vAPP

Introduction Another day in the field another issue. I’ve been working on VMware Cloud Director more recently and I’ve come across a fascinating new User Interface bug in the HTML5 Tenant UI. This particular environment is running VMware Cloud Director v10.0.0.2 build 16081830. Fun fact, in this release it’s still …

Introducing VMware vSphere and vSAN 7 Update 1 and VCF 4.1

Introduction In todays big webcast VMware made some interesting announcements for all VMware vSphere, vSAN and VMware Cloud Foundation (VCF) enthusiasts. I’ve been working with most new additions for a couple of weeks now and today the next major update in the vSphere portfolio was publicly announced with VMware vSphere …

Something to consider while upgrading ESXi in a vSAN environment

Introduction A couple of weeks ago I started upgrading an environment that is configured with VMware vSAN. This on itself isn’t a difficult task nowadays. It does however become somewhat problematic if you receive all sorts of errors on the vSAN cluster after upgrading a couple of ESXi hosts, that …

Virtual Machine BootTime property is not being populated

Ever so often you come around something that you haven’t seen before. Well this issue is one of those things. In our environments we use loads of metrics and properties that we gather from the vCenter Server and expose them to the customer in our own custom front-end portal. One …

HPE Gen10 Proliant “Status of other host hardware objects” error

Introduction Last week I encountered something after upgrading one of our environments. Since the updates we’ve been randomly getting errors on ESXi hosts that said “Status of other host hardware objects”. After troubleshooting a little bit it seemed this isn’t impacting production or is providing us any trouble at all. …

Windows shows unspecified MediaType with VMware Workstation

Lately I’ve been running some Storage Spaces Direct labs on VMware workstation. Part of doing labs means testing things until something breaks and as a countermeasure I tend to create snapsnots frequently. Now this led me to an issue that I haven’t seen anyone write about online. It turns out …

How to: Fix vMotion issues because of Emulex driver logging

Recently I was troubleshooting an environment that had some weird issues regarding the centralized VMware Tools repository that we configured. I will not bore you with these details, they will get explained in a future blogpost. But I also had some issues regarding vMotion on this environment. At first I …

Resolving the mysterious and unknown issues with the PowerCLI Tag cmdlets!

Introduction to vSphere Tags VMware vSphere Tags is a way to attach metadata to VMware vCenter inventory objects to make it easier to find and recognize these objects. If you, like me, know about this functionality within vSphere, you know how useful this can be. In previous versions of vSphere, …

VMSA-2020-0006 / CVE-2020-3952 Demo PoC

The 14th of April I wrote about the recently released VMware Security Advisory (VMSA) VMSA-2020-0006 also known under its CVE name by CVE-2020-3952. At the time of writing that blogpost there weren’t any Proof of Concepts (PoC’s) available to show us what kind of information could be obtained through abusing …

Using localcli on ESXi for troubleshooting

Just a small ESXi Pro tip this time. I recently had a host that was experiencing issues and the management services were unresponsive. This is a major problem for troubleshooting as the esxcli commandset won’t work anymore at this stage. Now by accident I came across a tip from the …