I have serious reservations of deviating from SLE parity. It wold be good to know how many systems have been shipped with 42.1 as OD1000 systems have not shipped yet. Providing we can provide clear documentation on upgrading (effectively a re-install) I see no problem in inflicting the inconvenience. One of the big advantages of Leap is the upsell opportunities it provides for SLE. From a technical perspective 4K is a better choice and we just need to accept the original mistake. I'll discuss further with Jeff and Alex.