How to extend your activation grace period on Microsoft Windows Server 2008 or 2008 R2?

Sometimes I need to configure a test Windows virtual machine and use it for only for a week or two. Well if you are using a Microsoft Windows Server 2008 R2 OS like me and you have only 3 days till activation then continue in reading this post:) There are two things to configure and they are not so complicated.   [wp_ad_camp_1]   1) Disable automatic activation with the use of registry editor like in the picture below.                           Visit this path in the registry editor (Run>regedit): HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform\Activation. Edit or create a DWORD "Manual" value with a value data of 1. 2) Now reset the evaluation period by entering slmgr.vbs -rearm in the command prompt (Run As…
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