.NET framework for OnGuard
.NET Framework 4.7.2 must be installed on the OnGuard server machine (NDP472-KB4054530-x86-x64-AllOS-ENU.exe). This is mostly for older OS editions; anything above Windows 10 April 2018 Update and Windows Server version 1803 will have it already installed as part of the OS. Milestone recommends that you use Microsoft Windows Server Editions of the OS.