Windows 2008 R2 Activation Period Extension

There have been many times that I needed to use a Windows 2008 R2 operating system in a virtual inveronment for testing and writting guides. But after the activation period ends you have to enter a valid serial in order to continue using the OS.

In case that period has expired and you do not have the time to set up a new VM or your working on a production server that need to be activated you can just rearm it.

To rearm you just have to run the command slmgr.vbs -rearm on a command prompt with elevated priviedges. After that restart the server and you'le have 30 days left to activate.

Be vary carefull because you can only do this three times...

Below are some keys:

Windows 2008 R2 Web: KBV3Q-DJ8W7-VPB64-V88KG-82C49
Windows 2008 R2 Standard: 4GGC4-9947F-FWFP3-78P6F-J9HDR
Windows 2008 R2 Enterprise: 7PJBC-63K3J-62TTK-XF46D-W3WMD
Windows 2008 R2 Datacenter: QX7TD-2CMJR-D7WWY-KVCYC-6D2YT
 

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