[idi banashapan]

back to the point though, the OP was asking for opinions on how to STICK tags to a machine. out of interest, do you work as support in a large domain environment? if you do, I would have expected you to foresee the issues that an invisible marking would cause. my personal opinion, and perhaps advice to the OP is to use a fully visible mark for speed and ease of identifying units. there's nothing worse than trying to remote to a server or machine when you don't know it's ID...