Since there aren't any retail discs available anywhere yet, there is no
answer for this yet. There is, however, no controversy on the 32 bit to 64
bit path ... there is no upgrade path from 32 bit to 64 bit.

--
Richard G. Harper [MVP Shell/User] rgharper@gmail.com
* NEW! Catch my blog ... http://msmvps.com/blogs/rgharper/
* PLEASE post all messages and replies in the newsgroups
* The Website - http://rgharper.mvps.org/
* HELP us help YOU ... http://www.dts-l.org/goodpost.htm


"Grungeon" <Grungeon@discussions.microsoft.com> wrote in message
news:03D286C1-5BA2-4B8B-9D27-4A67AD3F03C4@microsoft.com...
> Hello, I've been reading many of the posts about upgrading 32bit XP to
> 64bit
> Vista.
>
> People seem to agree that the retail upgrade disk will be bootable for
> troubleshooting purposes.
>
> However, there still seems to be controversy as to whether a person can
> install 64bit Vista as a bootable disc. So far, the discussion tends to
> favour that it won't be possible.
>
> Can anyone provide a once for all answer, from experience with an actual
> Retail Upgrade Disc or definite knowledge from Microsoft? This would also
> help others with this same question, without need to read through all the
> posts.
>
> Thanks.