How to automatically revert to snapshot

[zeffantm]

We are looking to set up a VirtualBox server with multiple WinXP guest OSes for a lab. We are going to lock down XP, but what we're looking to do is take a "master snapshot" of the guest OS and have it automatically revert to this snapshot upon XP rebooting.

Does anyone know of a way to trigger this automatic reversion?

Thank you,

ZtM

[Perryg]

See Chapter 5.4 Special image write modes in your VirtualBox users manual.

[zeffantm]

Thank you. I read through it and an immutable image looks like what we need, but even after reading thru it I don't seem to understand how we create the image, make it immutable, then switch it back for patching, etc.

[Perryg]

When you want to change something you switch it back to normal and patch/change whatever. When done set it back to immutable.

[zeffantm]

That's what I suspected, but I appreciate you confirming it. Thank you very much!