Thanks Mike!

To my knowledge it's true what you say. Backups without "copy only" flag can mess up your backup chain:

“Copy Only backup is an independent backup and it does not...

Diskpart for the VHD handling works fine indeed, you wouldn't need the Hyper-V modules then.

But what I'm referring to is does your module make use of the Volume Shadow Service?

So,...

Wow Sander that's pretty nice, I wasn't aware of all the effort you put in that library, it looks really complete.

I will definitely try it out.

What do you use as...