On Fri, Oct 3, 2008 at 6:24 AM, Sangamesh B <[EMAIL PROTECTED]> wrote:

> Hi Virtual box users,
>
>        My machine Intel P IV em64t is installed RHEL 5 U2(x86_64 OS). Also
> 64 bit version Virtual box rpm is installed. But when I try to install guest
> OS( RHEL 5 U2 64 bit) from Virual box, its giving an error" Your CPU doesnot
> support long mode. Please use 32 bit distribution" eventhough I used the
> same DVD .
>
>   May I know what's the problem?
>

Did you enable VT-x (vmx)? Its required for 64bit guest OSes. (you might
also need to enable VT-x in your host's BIOS as well.)

>
> Thanks,
> Sangamesh
>
>
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