How to reactivate Windows Server 2008 R2

Jan 4, 201224

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This article provides instructions on how to reactivate Windows Server 2008 R2. After installing, there is a 180-day trial period. When the trial period is about to end, you can use evaluation serial numbers to activate the server and extend the trial period for another 180 days. After using the "Rearm" command, you can re-enter the serial numbers and restart the computer to reset the remaining time to 180 days. However, the "Rearm" command can only be used 5 times. After that, you need to modify a registry key (SkipRearm) to continue using the "Rearm" command, which can be done a total of 8 times. The article also provides a download link for a reset tool.

After installation, there is a 180-day trial period.
When the 180-day trial period is about to expire, use the following evaluation serial number to activate Svr 2008 R2 and restore the trial period to 180 days:
- Windows Server 2008 R2 Web: KBV3Q-DJ8W7-VPB64-V88KG-82C49
- Windows Server 2008 R2 Standard: 4GGC4-9947F-FWFP3-78P6F-J9HDR
- Windows Server 2008 R2 Enterprise: 7PJBC-63K3J-62TTK-XF46D-W3WMD
- Windows Server 2008 R2 Datacenter: QX7TD-2CMJR-D7WWY-KVCYC-6D2YT
When the 180-day trial period is about to expire, use the "Rearm" command, re-enter the above serial number, restart the computer, and the remaining time will be restored to 180 days. Microsoft's official documentation states that this command can only be used 5 times.
After using the above method 5 times, it will no longer be available. You need to proceed to the next step, which is to modify a key value (SkipRearm) in the registry. After that, you can use the "Rearm" command again. This key value can be modified a total of 8 times.
Therefore...
[url=http://www.buynb.org/File/Windows/Rearm.zip]Download Reset Tool[/url]

http://www.microsoft.com/downloads/details.aspx?FamilyID=ba571339-5436-4cf5-9c37-6ed7dab6f781&DisplayLang=en