are you using anything like Bit9 (Carbon Black) ? I've seen lenghty delays when that's enabled, not just for upgrades but even for installing a cumulative update..
On Thu, Dec 28, 2017 at 7:49 PM, Melin, Cordell (BAC/LAC) < [email protected]> wrote: > Thank you very much, Stephanie. > > > > I am stumped as to why it is so much longer now, almost 4 x, compared to > Win 7 to Win 10 1607. > > > > We’ll keep digging. > >

