[vbox-dev] Vista UAC problems

Huihong Luo huisinro at yahoo.com
Wed Aug 12 00:20:23 PDT 2009


this is the scenario
 
In order to use a raw disk as vmdk, need to start vbox as admin. Is this true? from my experience, this seems to be the case.
 
For other regular vms, can do it from UAC account.
 
Is it possible to open virtualbox.xml using lower privilege? so two vboxsvc.exe processes can modify it.

--- On Wed, 8/12/09, Frank Mehnert <Frank.Mehnert at Sun.COM> wrote:


From: Frank Mehnert <Frank.Mehnert at Sun.COM>
Subject: Re: [vbox-dev] Vista UAC problems
To: vbox-dev at virtualbox.org
Date: Wednesday, August 12, 2009, 12:13 AM


Hi,

On Monday 03 August 2009, Huihong Luo wrote:
> On Vista or Windows 7, when UAC is on
>  
> (1) Launch one VirtualBox as Administrator, and start a vm.
> (2) Launch another VirtualBox as normal (UAC), and try to create a vm.
>  
> Sometimes, it will throw permission denied errors in modifying
> virtualbox.xml file. 
> The problem is that two VBoxSVC.exe processes running with different
> privilege competing for the same file, and thus causes the error. 
> Any solution for this?

I'm not sure if this is a bug or feature. As you said, two VBoxSVC
daemons are running with different privileges. Why do you need to
start a VM as administrator at all? We don't recommend that for
security reasons.

A possible solution would be to use different XML settings by
specifying the VBOX_USER_HOME variable before starting a VBox
instance, see section 9.1 of the user manual.

Kind regards,

Frank
-- 
Dr.-Ing. Frank Mehnert    Sun Microsystems, Inc.    www.sun.com

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