Hi,
If they are both retail, or both generic OEM, or both the same Recovery
media, then yes as long as you use the right product key. However, the media
disks and product keys are not interchangeable, you must use the same type
of installation media.
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Best of Luck,
Rick Rogers, aka "Nutcase" - Microsoft MVP
Associate Expert - WindowsXP Expert Zone
Windows help -
www.rickrogers.org