Most changes seem simple when you think about just the change itself, but then at the scale of Microsoft (I haven't dealt with that personally), things get very

Most changes seem simple when you think about just the change itself, but then at the scale of Microsoft (I haven't dealt with that personally), things get very complicated, very quickly. Consider all the different setups people have, what can go wrong and so on, and suddenly something that seems simple could actually have a huge impact on a large amount of people/setups.