It’s a long story when it comes to run Windows VMs in Proxmox and luckily the things became pretty well in the recent years. However, from time to time people start complaining about performance issues that are mostly only visible on Windows systems and this has mostly three major reasons: Missing Drivers / Guest Tools Wrong configuration / usage (e.g., still using VMDK disk files, controllers, devices) Wrong CPU Type As said, within the recent years the situation got much better but we als...
