If you want to replicate a virtual machine in VirtualBox, you have two options: Export and import to a separate computer or Create a clone.

If you cannot create the clone medium or import appliances and encounter a VERR_DISK_FULL VirtualBox error, follow the solutions mentioned below to resolve the issue.

If you're working with a headless or GUI-less VirtualBox host, you can still import and export virtual appliances from the command line. Here's how.

If you need to move a VirtualBox guest from one host to another, discover the most reliable way to do it.