Nested ESXi 7 interoperability with ESXi 6.7

The nested ESXi appliances that William Lam provides to the community are great resources for testing. But what about interoperability? Can you run a nested ESXi 7 VM on a ESXi 6.7 server? Unfortunately the answer is; it depends. We can’t all be early adopters right? I currently work in …

How to recover from deleted VM files

Recently I found my self having to recover a VM that had most of it’s files deleted. They were removed by a script that was intended to clean up a staging datastore. Unfortunately the VM in question was left on that staging datastore and the script did it’s magic. The …

Preparing for the VCAP-DCV Deploy 2021 Exam

If you feel you want to take your VMware knowledge to the next level you may consider the VCAP-DCV Deploy certification. Achieving this advanced level VMware certification demonstrates you have hands-on experience deploying, optimizing and troubleshooting a VMware virtual infrastructure. It is not uncommon when you achieve this level of …

Using Runecast to fix missing NIC in ESXi

The problem In my homelab I’m using a server which contains both Gigabit and 10GbE NICs. When I first deployed ESXi version 7.0U1 the list of devices looked like this.

In this system the Mellanox isn’t connected to a switch (yet). So I didn’t notice this straight away. But …

In-place upgrade of 2012R2 DCs to 2019

Although this blog is mosty centered arount VMware related topics I sometimes find myself presented with other challenges in the field. In this case I needed to upgrade a couple of Windows domain controllers to Windows Server 2019. However because the existing servers were bare metal and I had no …

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 snapshots frequently. Now this led me to an issue that I haven’t seen anyone write about online. It turns out …

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 …