Untick Floppy in System > Motherboard > Boot Order.Ensure the type is Mac OS X and the version is macOS 10.12 Sierra (64-bit) (there is a High Sierra option too, but I chose Sierra by accident and it worked).Ensure the name of the VM is MacOS (ensure to keep the same casing).
I didn’t find a combination that didn’t work, but create a VM with the following things in mind: I experimented with a few different settings in regards to the CPU and RAM allocation. Hdiutil convert ~/Desktop/InstallSystem.dmg -format UDTO -o ~/Desktop/HighSierra.iso Hdiutil detach /Volumes/Install \ macOS \ High \ Sierra Sudo /Applications/Install \ macOS \ High \ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/install_build Hdiutil attach /tmp/ -noverify -mountpoint /Volumes/install_build Hdiutil create -o /tmp/HighSierra.cdr -size 5200m -layout SPUD -fs HFS+J Running the below commands will create an ISO on your desktop named HighSierra.iso: Next, you need to create an ISO from the installer application that was downloaded in step 1. You can then verify that the installer has been downloaded by checking that "/Applications/Install macOS High Sierra.app" exists. I was unable to find the download within the App Store itself, but following this link opened the App Store at the correct page: Īfter opening the aforementioned page in the App Store, start the download, but cancel the installation when it starts. To do this, you need to be on an existing macOS system. Step 1: Download The High Sierra Installer
#CREATE BOOTABLE MAC OS X ISO FOR VIRTUALBOX INSTALL#
This post contains the steps I extracted from various resources in order to get a fully working High Sierra install within VirtualBox 5. Although there was lots of guides around the web, none seemed to work from start to finish. Installing MacOS High Sierra in VirtualBox 5ĭuring a recent pentest, I needed to throw together a macOS virtual machine.
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