Microsoft releases Windows Server Insider Preview build 18298 December 18, 2018 by admin Tweet Microsoft today released its second Windows Server Insider Preview build from the 19H1 development branch, bringing the build number to 18298. New features include Tigera Calico and more. Read more… Neowin Related Posts:ISOs for Windows Server Insider Preview build 25217…Windows Server VNext Insider Preview build 25110 is…Windows Server VNext Insider Preview build 25120 is…Windows Server Preview Build 26052 includes just one…Windows Server Preview Build 25066 is now available