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how to change windows server 2008 product key serial number

Posted on October 8, 2010 by voidzzz

If you want to change windows server 2008 and windows server 2008 R2 serial number or product key do the following :

  • Run Command Prompt as Administrator
  • Change working directory to %system32% ( cd %windir%\system32)
  • issue command slmgr.vbs -ckms (this command clears KMS)
  • issue command slmgr.vbs -upk (uninstall product key)
  • issue command slmgr.vbs -ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX (install new product key where X is your 25 digit product key)
  • issue command slmgr.vbs -ato (activate your copy of windows)

That’s it.

8 thoughts on “how to change windows server 2008 product key serial number”

  1. Vladi says:
    July 20, 2012 at 1:38 pm

    WORKS Perfect, thanks for the example :)

    Reply
  2. rahim says:
    October 10, 2012 at 9:02 am

    Done and it work. Thanks.

    Reply
  3. Eric says:
    November 10, 2014 at 7:27 pm

    I recently installed and setup Server 2008 which I bought from the local bazzarr while in Iraq. Come to findout, after setting everything up and doing hours worth of configuration… He is a thief and sold me a pirated version of server. Looked real enough.. holographic CD and the whole 9 yards. Now that i am back home, and in college, I can get a free version of Server 2008 with an academic key from Microsoft under their acdemic software. Will this work for changing the product key to the academic key?

    Reply
  4. Webdaddy says:
    January 3, 2015 at 5:16 am

    Thank you! This saved me MUCH grief!

    Reply
  5. Suresh Hegde says:
    March 12, 2015 at 11:17 am

    Mentioned command properly working.
    Thanks.

    Reply
  6. Amandeep Singh says:
    September 27, 2015 at 7:22 pm

    Great!!.. it works..

    Reply
  7. Julie Malabanan says:
    January 28, 2016 at 1:17 am

    Works ok. Thank you

    Reply
  8. vinay says:
    January 30, 2017 at 9:12 am

    Solved my problem, great help.

    Reply

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