Server 2019 = LTSC (Long Term Service Channel) 5 years support + contains Desktop Experience (Windows Server with GUI/Desktop) Server 1809 = SAC (Semi Annual Channel) Feature update every 6 months, like Windows 10, and does not contain Desktop Experience. https://forums.mydigitallife.net/th...r-2019-build-17763.78021/page-34#post-1543199