The End User License Agreement for the retail versions of Vista,

states in section 2 (a) and (c): "You may install one copy of the software
on the licensed device" and

"The software may include more than one version, such as 32-bit and 64-bit.
You may use only one version

at a time."

mi

"Colin Barnhorst" <colinbarharst@msn.com> wrote in message

>I don't think the second would activate. You would probably get a message
>that the key was already in use. Read the Vista EULA first chance you get.
>It tells you that you can have the product installed on one "device" at a
>time and goes on to define a device as a "partition or blade." The
>emphasis is on "installed" not running.
>
> You can install as many copies of Vista as you like, but each requires its
> own license. When the OS is running is not relevant to the licensing (and
> never has been in any version of Windows).
>
> The only license that I recall which references when the software is
> running is the Office license, which permits installation on one desktop
> and one mobile device assuming that both are not used at the same time.

> "Ken" <notforu@sothere.com> wrote in message

>> I was sort of hoping you could have two installs activated on a single
>> machine at a time with the one key. I thought this could be possible as
>> only one of the installs can be booted at a time if you know what i mean?
>>
>> So activating the second install would automatically make the first
>> install unactivated again?
>>
>> Ken