id summary reporter owner description type status component version resolution keywords cc guest host 19706 MacOS hosts no longer able to run VBoxHeadless as of 6.0.18 and 6.1.4 => fixed in svn/6.1.x x>12 myshell paulson "It is impossible to launch a VM in headless mode because of a problem of setugid which is not allowed. It works fine with VirtualBox 6.1.2 but not with the following versions. The error message seen is: $ /Applications/VirtualBox.app/Contents/MacOS/VBoxHeadless -s solaris Oracle VM VirtualBox Headless Interface 6.1.4 (C) 2008-2020 Oracle Corporation All rights reserved. 2020-07-24 09:40:25.798 VBoxHeadless[2026:18559] The application with bundle ID org.virtualbox.app.VirtualBox is running setugid(), which is not allowed. " defect closed guest control VirtualBox 6.1.4 fixed all Mac OS X