Many people question the legalities of second hand equipment. It seems that manufacturers often use scare tactics to convince people to buy directly from them. These scare tactics often work because the IT managers don’t have the time to research these claims and they certainly can’t take any chances. Where as this may be a great marketing technique for the equipment manufacturers, it is not always true and certainly not always the best advice. Here is an article from Processor that does a pretty good job of explaining this.
There are definitely legal and safe ways to purchase used/remanufactured equipment. There are also legal ways to own and license this equipment. If you buy from a reputable source, like Zerowait, you can be sure that they know how to keep you legal.