I'd say, if you are big enough to have a Microsoft Support Contract then you're probably going to pay Microsoft for extended Win10 support anyway. If you're lo

I'd say, if you are big enough to have a Microsoft Support Contract then you're probably going to pay Microsoft for extended Win10 support anyway. If you're looking to pay for 3rd Party Win10 updates, you might not be running AD in Azure either. Local AD is still a thing, and it should still support several versions of joined workstations.