Learn how to fix a common can not boot error in Virtual Box by remounting the system drive image.Īll you have to do is mount a CD image or Hard drive of your Operating System virtual hard drive or create one in Virtual Box to fix the "Could not read from Boot Medium! System Halted Error". Linux Hosts Incompatible Software: Xen and KVM. Windows Hosts Incompatible Software: see here On Linux 64-bit hosts: 1023 VMs (on standard kernels up to 127 VMs. Windows 64-bit and 32-bit hosts, CPUs: 32 (?) Linux/Solaris 64-bit and 32-bit hosts, CPUs: 256 Those are VirtualBox 4.0.6 limits, from what I was able to find from various sources. It's as if they're unable to create more than 8 which is odd. I don't understand what VirtualBox's reason would be if there truly is a limit, but I'll contact them to make sure.ĭeleting and creating a new one yields the same error. The other users that have less than this aren't having this issue. What's weird is that both users have about 8 virtual machines already created and the 9th one is causing this problem. I've tried changing the network card and still had the same problem. The network card from "Intel PRO/1000 MT Desktop" to "PCnet-FAST III (Am79C973)" ButĪfter two or three hours of testing and checkingĬonfiguration files, in a moment of desperation, I tried to change the type of Thing that the client does is getting ip -address from the dhcpd -server. Make a connection to the dhcpd -server running on master. It seemed that the new virtual machine didn't even try I got the error message on the console of the new virtual machine:įATAL: Could not read from the boot medium! System Now you must include/select this file as the virtual hard disk/ medium file as shown in the answers above.Everything went on pretty smoothly, until I tried to boot up my first slave This file is also used if you actually want to install the particular OS on your PC/laptop. This file can be found on the website of the OS you want, and must be downloaded. An external file called the ISO or system image file is needed.This is the "bootable medium " referenced above.
When you install VirtualBox, it does not automatically come with the ability to run all the listed operatings systems (as I used to think ). So I will try to answer it as simply as possible, for anyone in my position :. Primarily because Ubuntu had been installed on my PC by a friend, and I had zero experience there. I remember it taking me a while even after reading them. Although I have accepted the answers above, I realize that from the point of view of a complete noob to linux and operating systems in general, the concept of images ,ISO files etc is still confusing.
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