Windows Server Insider Preview build 18945 out now with support for FIDO2 keys July 30, 2019 by admin Tweet Microsoft has released Windows Server Insider Preview build 18945 with a single new feature, which is the ability to use physical security keys for authentication in hybrid environments. Read more… Neowin Related Posts:ISOs for Windows Server Insider Preview build 25217…Windows Server 2025 Insider Preview build 26311 is…Windows Server VNext Insider Preview build 25110 is…Windows Server VNext Insider Preview build 25120 is…Windows Server Preview Build 25066 is now available