Apparently, the power-supplies themselves can be servers - yes, they are on a network themselves. The power-supply remote management software licences are very expensive. There is also a system-wide kill-switch. Plenty of scope for trouble.
A lot of older companies are run by muppets; this dates from when the computer department was small beer, with no board member. Today, data is increasingly central to all large companies; it is not a side-issue for techies. Throw out your chumps, BA.
Biting the hand that feeds IT
