Pugalenthi,
Thank you for visiting the Genuine Advantage forum. Your post is out of scope for the Genuine Advantage forum as well as out of our expertise. Your inquiry could fall under two catagories: Product Activation and Licensing. First I would like to recommend you visit Windows Vista Activation Forum:
http://forums.microsoft.com/TechNet/ShowForum.aspx?ForumID=2155&SiteID=17 and present your question.
Questions regarding Software Licensing Terms can be found at the following link:
http://www.microsoft.com/about/legal/useterms/default.aspx
Additional Information:
For licensing questions, please call 1-800-426-9400 (select option 4), Monday through Friday, 6:00 A.M. to 5:30 P.M. (PST) to speak directly to a Microsoft licensing specialist.
Thank you for visiting us in the WGA program forum.
Take care,
Stephen Holm, MS
WGA Forum Manager
Stephen Holm