Tuesday, April 22, 2014

Oracle virtual box - Custom resolution

Hi there,

Recently, I am having an issue in oracle VB(Virtual Box) whereas I am unable to set full screen mode even after installing guest additions. To have a full screen mode, the guest OS in VB must set the same resolution as per the host OS. I am using windows 8 as a host OS which has a resolution 1600x900. Guest OS Windows server 2012 64 doesn't have the same resolution. Therefore, it is required to set a custom resolution in the VB.  After goggling, I found a way to set the host OS with the required custom resolution.

- First, close your virtual box. Go to task manager and kill any process related to oracle virtual box.
- Go to "C:\Program Files\Oracle\VirtualBox" (Depends on your installation file path)
- Hold "Shift" and right click in any empty space (Not pointing or highlighting to any file or folder)
-  In the menu, select "Open command windows from here"
- paste the following command and hit enter:

VBoxManage.exe setextradata "NameOfVB" CustomVideoMode1 1600x900x32



Now open your VB and set the resolution in the guest OS as per your host OS. Go to virtual box title menu, click "View / Switch to full screen". Voila !

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