HelloJohn,
Here is the licensing link on downgrade rights:
http://www.microsoft.com/downloads/details.aspx?FamilyID=4f4b3cfd-7f4e-46cb-
8117-8275f7683d3f&DisplayLang=en
http://www.microsoft.com/windowsxp/pro/howtobuy/corpSmallBiz.mspx
Can I downgrade my OEM version of Windows Vista Business to Windows XP
Professional?
Yes. OEM downgrade rights for desktop PC operating systems apply to Windows
Vista Business and Windows Vista Ultimate as stated in the License Terms.
Please note, OEM downgrade versions of Windows Vista Business and Windows
Vista Ultimate are limited to Windows XP Professional (including Windows XP
Tablet PC Edition and Windows XP x64 Edition). End users can use the
following media for their downgrade: Volume Licensing media (provided the
end user has a Volume Licensing agreement), retail (FPP), or system builder
hologram CD (provided the software is acquired in accordance with the
Microsoft OEM System Builder License). Use of the downgraded operating
system is governed by the Windows Vista Business License Terms, and the end
user cannot use both the downgrade operating system and Windows Vista
Business. There are no downgrade rights granted for Windows Vista Home
Basic or Windows Vista Home Premium.
Thanks,
Darrell Gorter[MSFT]
This posting is provided "AS IS" with no warranties, and confers no rights
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|>From: (e-mail address removed) (John Lima)
|>Newsgroups: microsoft.public.windows.vista.installation_setup
|>Subject: Re: Is it legal to buy a Dell with Vista Business Edition and
downgrade it to XP Professional?
|>Date: Mon, 12 Mar 2007 18:54:30 GMT
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|>Thanks Mike. That does sum it up.
|>
|>I'm unable to find this online to read myself. Can you post a link?
|>
|>Does anyone disagree that this upgrade path may not be legal?
|>Microsoft certainly makes it difficult to find out, and Dell would
|>love to be able to tell people they have to pay for a copy of XP Pro
|>even if they own Vista Bus.
|>
|>If this EULA is the correct one for Dell as an OEM, this EULA is
|>saying you may certainly legally downgrade but Microsoft won't supply
|>you with the media which you need to obtain yourself. I already have
|>the media.
|>
|>--------------------------------------------------------------------------
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|>
|>
|>
|>What you are referring to is "downgrade" rights where you are legally
|>allowed to use a previous version of the operating system and move
|>back up
|>to the one you originally purchase when you are ready.
|>The OEM End User License Agreement for Windows Vista Business
|>(EULAID:VISTA_RM.0_BUS_OEM_en-US) contains the following section:
|>
|>14. DOWNGRADE. Instead of using the software, you may use one of the
|>following earlier versions:
|> . Microsoft Windows XP Professional,
|> . Microsoft Windows Professional x64 Edition, or
|> . Microsoft Windows XP Tablet PC Edition.
|>This agreement applies to your use of the earlier versions. If the
|>earlier version includes different components, any terms for those
|>components in the agreement that comes with the earlier version apply
|>to your use of them.
|>
|>Neither the manufacturer or installer, nor Microsoft is obligated to
|>supply earlier versions to you. You must obtain the earlier version
|>separately. At any time, you may replace an earlier version with this
|>version of the software.
|>
|>So the short answer is yes you have downgrade rights - now how you
|>acquire the software that you are licensed to use is up to you.
|>If you have a SLP (BIOS locked) protected Dell OEM CD that will work
|>on your machine then you are legal as you hold a valid license for
|>Vista that include downgrade rights and you have the software to use
|>to exercise those rights.
|>--
|>Mike Brannigan
|>
|>