Our test lab is running brand-new instances of the latest Windows 10 and Server 2016, so we have no concerns about old technology or outdated consoles. However, in production environments, there are almost always old pieces of equipment still being used. This seems to be particularly true with DCs. Many administrators make their Group Policy changes by using GPMC on their DCs, because that is where GPOs live and it makes some common sense to use DCs as centralized points of administration. We already covered the reasons why this isn't a best practice, but alas it is simply the way things are in many organizations.
The rub comes in because, for numerous reasons, it seems like DCs are always the last servers to get updated ...
