Beware: Windows Server 2012 reboot loop after November or December 2019 SSU patch

In November and December 2019, Microsoft released a few new patches just like any other month to patch certain issues in Windows Server 2012. It has recently come to my attention that these patches seem to break Windows Server 2012 virtual machines! They appear to cause a reboot loop, which …

VMCI Sockets bug and missing MSR partition prevents VSS-aware backup (fixed)

Recently I had to do just that when a customer I recently on-boarded to our vSphere platform was having issues creating a VSS-aware backup. Even a quiesced snapshot command failed with an error. This issue took quite some time to investigate. And I was lucky enough to have a support …

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 …