VirtualBox is a free, open source virtualization program from Oracle for the x86/x86_64 architectures.

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How to Installthe newly released MS DOS OS on a Virtual Machine

Since Microsoft have released the source of 2 old versions of MSDOS for free, I downloaded the ZIP, converted the contents of the v20object folder to an ISO, created a new virtual machine with ...
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27 views

Share folder between Win8.1 host and Ubuntu guest (virtualbox)?

I'm using Ubuntu guest on Win 8.1 host at Virtual Box. I've tried file sharing and searched net and got nothing useful yet. Could anyone help please?
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2k views

Can you make desktop shortcuts to Seamless mode Windows apps in VirtualBox on OSX?

Running the latest version of VirtualBox on OSX and hosting a Windows virtual machine. Is there a way to put shortcuts on your Mac desktop for the Windows apps that you run in seamless mode? I can't ...
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1answer
6k views

How to Use a Shared Folder in VirtualBox with AndroVM

I'm trying out AndroVM and cant figure out how to access a shraed folder with VirtualBox. The instructions say it needs to be called mysdcard, which I did. But I can't find it in the android. What do ...
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2answers
4k views

Portable VirtualBox kernel driver error

I'm using PortableVirtualBox for about a year with no problems. But from two weeks now -without upgrading or updating anything on Virtualbox or anything related on my PC- after running any of my VMs ...
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Symantec Endpoint Protection Prevents VirtualBox Guest From Starting

We were running VirtualBox 4.3.16 on a Windows 7 Enterprise SP1 x64 host. A couple of days ago, our Corporate IT decided they were going to silently install a newer version Symantec Endpoint ...
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1answer
38 views

Using a Boot Camp partition as a Virtualbox disk

I've got a Mac with a Windows 8 Boot Camp partition set up. How can I create and configure a Virtualbox disk that is that Boot Camp partition?
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16 views

Iptables rules for host-only interface

I'm in this situation. I have an host machine running Ubuntu and 2 virtual machines using VirtualBox. They're connected via the host-only option on the virtual interface "vboxnet0". What I want to ...
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7 views

Moving a VM from VirtualBox to MS Virtual Server R2

Is this possible straightforward? Do i need to convert the images before moving to Virtual Server?
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3k views

Bridged networking to VirtualBox guest from OS X host

I'm trying to bridge my network connection from my OS X host to my Arch Linux guest. However for some reason the bridge network option in VirtualBox doesn't work for any traffic, yet NAT does. How can ...
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35 views

Packer build of a virtualbox windows 7 ISO hangs

When I am building a win 7 box using packer, it hangs waiting for SSH to be available: ==> virtualbox-iso: Downloading or copying Guest additions virtualbox-iso: Downloading or copying: ...
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2answers
5k views

Virtual Box Portable will not start

I downloaded and extracted the contents of Virtual Box Portable from vbox.me but I get the error below when launching portable virtual box. What can I do to fix this error? VirtualBox - Critical ...
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3answers
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How to convert a VHDX file to VHD?

I made an image with disk2vhd and unfortunately I chose VHDX instead of VHD. I didn't see any information about what to choose. Anyway, now that file is all I have, the original PC is trashed. So I ...
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28 views

Virtualbox: connect from guest OS to host's OS apache virtual hosts

I know that it is possible to access host machine's localhost using gateway's IP 10.0.0.2, but I have several hosts I need to access from guest. Example of hosts-file: 127.0.0.1 localhost ...
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2answers
3k views

How to release mouse from VirtualBox?

I've got Oracle VirtualBox 4.2.10 installed on Ubuntu 12.04, and with evry virtual machine I create, the "host key", which is supposed to release the mouse doesn't do anything. I've already installed ...
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1answer
62 views

VirtualBox multicast on a bridged network

using VirtualBox, I got two guests (DEBIAN7.7) on my host (WINDOWS7). Each of the two guests has a bridge network interface, eth1 and can ping the other one, I can see each eth1 has multicast enabled. ...
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28 views

How to have access to iis server inside VM with Bridged connection

I have a LAN, and I have several machines connected to that LAN. In one of the machines i have a VM that has installed Windows Server 2012 R2 and has several iis sites running in it. I want to have ...
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1answer
46 views

Virtualbox 4.3.20 on Debian 7.7 as Host with Windows 7 as guest - can't save excel 2010 file on to external usb drive

Can't save excel 2010 files on to external usb drive: External usb drive is identified as JMicron USB to ATA/ATAPI bridge [0100] as a "USB device filter". However saving a text file created in ...
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27 views

Vagrant VM mysteriously disappearing after rebooting host

I am running Vagrant on Windows 7. I use cygwin to run Vagrant up and halt, etc... I noticed that if I do a vagrant halt, and then restart my host computer (the physical box), my vagrant VM ...
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1answer
25 views

Snapshots are silently ignored in VirtualBox

I setup a Debian guest on a Debian host. I installed so many applications, I rebooted so many times, I took a few snapshots. Now I needed to do something with VirtualBox settings for that machine, so ...
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33 views

Virtualbox can not add a machine: disk seems to be still attached to another machine

I had a virtual Debian server running on Debian host. After a reboot, the vdi images of the virtual machine simply vanished from configuration. I readded them, but it simply ignored the snapshots. I ...
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35 views

How the computers can see my system over the web?

Actually I installed the Ubuntu in the VirtualBox on the Mac OS X 10.10, after that I start to listen the port 8080 on Ubuntu and then forward the port via virtualBox. my modem is TP-Link, so I set ...
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1answer
4k views

VirtualBox NAT over proxy

I use VirtualBox 4.1.8 on a Ubuntu 10.04 host system. I have an HTTP proxy server on the host system. How do I configure the VirtualBox to NAT the virtual machine's network and use the HTTP proxy for ...
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2answers
29 views

Boot second OS (Linux) while Windows is running in VM

Well this question might sound odd but is it possible to tell VMWare or VirtualBox that there is a second partition on my hard drive that has Ubuntu installed? Could something like this be done ...
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2answers
30 views

Connecting two domain controllers in Active Directory Server 2012

I want to setup virtual test enviroment at home using windows server 2012 r2. What I did so far: Installed two virtual boxes of win server 2012. Promoted both to Domain Controllers, installed AD DS, ...
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4answers
3k views

Sharing internet connection from host to virtualized Ubuntu with Virtual Box

I have Ubuntu 11.10 in Virtual Box installed on Windows Vista. I am having a Broadband(PPPoE) internet connection. I would like to use my internet connection inside Virtual Box in Ubuntu. I tried with ...
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1answer
21 views

Iptables newbie pain

I got a host (WINDOW7) and a guest (DEBIAN7.7) virtualized by VirtualBox. I configure an eth1 interface as host-only. My host can ping the guest and vice-versa, host can connect via ssh too. Now I ...
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107 views

Use Genymotion/Andy without Host-Only Network Adapter?

Genymotion and Andy require Virtualbox Host-Only Network Adapter, however my computer is unable to install the driver correctly. Note that Android x86 works well with default NAT network settings. ...
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Can you run one virtual machine inside another?

Is it possible to, say, run VirtualBox on Windows 7 with a Linux guest, and inside that Linux machine run Bochs? The reason is that I'm interested in starting OS development, and I've found that all ...
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1answer
571 views

Is it possible to assign more than 256MB of video memory in VirtualBox?

I'm trying to run a game inside a VBox guest and it requires 256MB of memory. However when assigning 256MB of memory in VBox windows is using 3MB which leaves only 253MB as reported by DXdiag in ...
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2answers
9k views

Error “VT-x/AMD-V hardware acceleration not available on your system” while trying to run Virtualbox

I have to run Mac OS on virtual box for a class and it keeps giving me errors stating "VT-x/AMD-V hardware acceleration not available on your system. Certain guests (e.g. OS/2 and QNX) require this ...
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2answers
6k views

Getting “error loading operating system” when I start a VM. Worked fine prior opening with VirtualBox

I'm using VMware Workstation 7.x on Windows and I'm getting this error when I start my VM: error loading operating system That started to happen when I tried to load the VMDK file into the ...
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2answers
5k views

RDP into VirtualBox on Windows

My co-worker has an old Mac, and needs to test something on Windows. His Mac is not powerful enough to run a VM, so he needs the ones I have. I have a few VMs that fit his needs. The solution I ...
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49 views

Vagrant and virtualbox painfully slow

I'm having serious issues developing my laravel application on my windows machine. I'm running vagrant 1.6.3 and virtualbox 4.3.12 using the default shared folder. This issue just started to pop up ...
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Unable to Scroll In Arch Virtual Machine Running Gnome Shell

In my Arch VM (on VirtualBox), I cannot scroll in any program. System: Windows 10 with VirtualBox v4.3.20, r96997 Razor Deathadder Chroma mouse The VM is Arch Linux 64-bit, running gnome-shell ...
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1answer
1k views

OS X Mountain Lion - Cannot Select Disk to Install on when using VirtualBox

I want to install OS X Mountain Lion in VirtualBox, but I am having a problem: every time I run the install, I can't get past the "Select a Disk to Install" screen. I always hangs like this. What's ...
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39 views

Can't connect to VPN on Ubuntu

I'm trying to connect to a L2TP VPN from a Ubuntu 14.0.4 VM running on VirtualBox on a Mac OS. I installed various things (lost track of everything) that include openswan, ipsec, xl2tpd, and a L2TP ...
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13 views

Virtualbox - Bridged Network Interface Setup

I am working on an appliance that expects to have access to a specific subnet and to find two hosts on that subnet with static IP addresses. During development, the client vm had a bridged network ...
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37 views

Performance degradation of VM vs real machine

I know there is quite a bit of info about this topic around the web but after spending several hours reading other posts and articles I still don't have a solid understanding. Here is my setup: Quad ...
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50 views

Problems with Windows 8 and VirtualBox

I need to run a Linux distribution for a tutorial, but am unfortunately facing problems with the Virtualbox from Oracle. I downloaded the newest version for Windows 8 and it didn't run. My computer ...
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2answers
2k views

Custom resolution in VirtualBox Windows 8 with Guest Additions

I installed Windows 8 as a guest operation system, and I set custom resolutions with this command: VBoxManage.exe setextradata "Win 8 dev" CustomVideoMode1 1366x768x24 After installing guest ...
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1answer
3k views

How do I enable VirtualBox shared clipboard/drag-and-drop?

Running Windows 8 guest in Xubuntu 13.10 host. VirtualBox 4.2.16. I set bidirectional clipboard and drag-and-drop in the menu. But... neither of these works. If I drag a file from Ubuntu to Windows, ...
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104 views

How to enable built in bluetooth in VirtualBox

I have a laptop with built in Bluetooth, Ubuntu OS and a Virtual Box. I've created a Windows 7 Virtual Machine. How can I access Bluetooth from it?
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49 views

How to make Win + L work in Virtualbox guest OS when Windows 8 is a host?

I'm using Virtualbox on Windows 8 machine. My guest OS is Linux with Awesome WM. My problem is that my mod key is set to WIN. This causes problem with WIN + L, as it doesn't go to guest OS. It gets ...
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3answers
2k views

VirtualBox OSE: Install Guest OS On Headless Host Via VNC?

I've remotely installed VirtualBox OSE on my Gentoo box at home. I have everything set up and ready for the OS. However all the documentation I've read seems to say that you can only use the PUEL ...
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1answer
16 views

Virtualbox dedicated network: client w. VM ubuntu webserver

I found quite a few tutorials describing how to set up an ubuntu webserver for local web development as a VM in Virtualbox and assigning it a static IP address. Hm, that's fine as long as you stay ...
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How can i setup a guest-guest network connection with virtualbox?

I have setup multiple guest hosts with NAT networking. On each hosts i have some portforwards so i can connect from my host (like 2222 to 22 host 1, 2223 to 22 host 2, ...). How can i setup a ...
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4answers
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How can I make my Virtualbox Vista see my USB device (iPad)?

I have the latest VirtualBox. I have filters for the iPad. But it does not show up in my virtual Windows vista My Computer screen or virtual iTunes. When I try to right click the little USB icon and ...
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121 views

Old Red Hat Linux 5.2 on VirtualBox

I am trying to install and run Redhat 5.2 on a VirtualBox VM. This is NOT RHEL; This is the old Redhat 5.2 from before the Fedora project and was first released in 1997. While going through the ...
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Virtualbox installation in SLES11 SP2

Trying to install virtualbox in SLES11 SP2 Downlaod the source rpm from https://www.virtualbox.org/wiki/Linux_Downloads Installed it like rpm -ivh VirtualBox-4.3-4.3.20_96996_sles11.0-1.x86_64.rpm ...