How to fix VirtualBox disks after they've been relocated to another drive

Sometimes you may find that you need to move the VirtualBox disk images to another one of your disks.

If you then power up VB, it will complain because it thinks that there are 2 disks with the same ID: The original one (which you have now moved and no longer exists in that location) and the new one.

This article will help you fix this problem.

You can also read more info on VB disk management in this article.