WinXP,Internet経由のアクティベーションを無効に？？？

深く読んでないけど記事だけリンクしておきます。

As of February 28, Microsoft will disable Internet activation for all Windows XP product keys located on Certificates of Authenticity (COA) labels that are distributed by the 20 top worldwide PC vendors. Microsoft will be relying on these PC makers to do the activation for users.