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Configure VirtualBox Windows Guest System to Use 2 Monitors

Purpose

Our host system for VirtualBox is GNU/Linux. We want our guest system, windows, to use two monitors.
This solution should work for all Linux distributions supported by VirtualBox4.

Required software

  • Ubuntu 10.10 (aka Maverick) as host for VirtualBox4

  • VirtualBox 4

  • VirtualBox guest sytem: Windows XP (incl. VirtualBox guest additions)

Configuration

  1. Setup virtual guest machine (windows) within vm host system (GNU/Linux) to use two monitors:

[caption id=“attachment_378” align=“alignnone” width=“300” caption=“Setting up virtualbox 4 to use 2 monitors for windows xp guest”]virtualbox-host-ubuntu-10.10[/caption]

  1. Within virtual guest (windows): Configure dual monitor setup:

[caption id=“attachment_379” align=“alignnone” width=“263” caption=“Setup within virtualbox guest system (windows)”]virtualbox_dualmonitor_windows_config[/caption]

Side note

Upgrading from VirtualBox owned by Sun to VirtualBox owned by Oracle was very smooth. Even for Linux host systems. Oracle, thanks for that!

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