There are several ways to fix UUID Issues, One of the methods is to Clone the hard Disk Attached using the clonevdi When you are trying to Add a VM to your VBox, If it’s failed with Below Error, you can use clonevdi to clone the Hard disk using VBoxManage clonevdi <Source> <Target> and reattach … Continue reading HOW-TOHow to Fix VirtualBox “UUID already exists” Errors