Windows Shadow Copy is a Volume Copy Serives (VVS) that works on Microsoft WIndows. IT allows you as an administrator to create a daily backup schedule. And have it excessable to end users with little training.
It never fails as I'm at working looking at my DHCP lease pool I find entries for "Dave's-iPad", "Android123456...", "iPod",ect... It is our policy that no-district equipment should get access to our network. This includes out wireless network. What is happening is that students find the wireless access points that I use on Laptop carts and reset them. Then they just lo-gin with out restriction.