So first thing is to understand that legal boils down to;
If Microsoft ok-ed it in writing before you go ahead and do it then yes it's legal
Far more important is the fact they don't then send the lawyers around… ask anyone in the software industry and they will tell you Microsoft has a F lot of lawyers!
Now a sysprep has two functions;
• There is the system-preparation part that anyone can do at home on their own windows server which takes an iso image and pumps it out over a network to whatever device is waiting at the other end to install it.
This is a physical or virtual network procedure that has no legal issues because it simply produces an outcome.
• The second part is licencing and that is independent of the basic...