How to extend the Windows Server 2008 evaluation period

評価期間を延ばす方法。テスト中に期限が来そうな時に使っていきたい。
三回リセットできる＝60日(+60日+60日+60日)ということか。

This article describes how to extend, or re-arm, the Windows Server 2008 evaluation period. The evaluation period is also known as the "activation grace" period. These instructions apply to any edition of Windows Server 2008. This includes evaluation copies.
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Additionally, the 60-day evaluation period may be reset (re-armed) three times. This action extends the original 60-day evaluation period by up to 180 days for a total possible evaluation time of 240 days.