This is a PHB problem, not a Y2K problem. Scheduled upgrade to OpenBSD 2.6. One monitor explodes in the middle of the operation, but fortunately I have a spare. One of UIC's routers dies, cutting the department off from the Internet. Power outage in downtown Chicago.
Power is restored five hours later.
The computers are revived the next day. Network outage for more than 4 hours, thanks to Ameritech. Scheduled electrical upgrade. Scheduled electrical upgrade. Scheduled electrical upgrade.