Microsoft releases the first Windows Server 20H1 Insider Preview June 18, 2019 by admin Tweet Today, Microsoft released Windows Server Insider Preview build 18917, corresponding to last week’s Fast ring build. It’s the first Windows Server preview build that’s from the 20H1 development branch. Read more… Neowin Related Posts:ISOs for Windows Server Insider Preview build 25217…Windows Server Preview Build 25066 is now availableWindows Server VNext Insider Preview build 25110 is…Windows Server VNext Insider Preview build 25120 is…Windows Server Preview Build 26052 includes just one…