Get Windows ISO such as Win 2012 R2

We recently got sent a server with a Windows 2012 license and a Windows 2012 R2 media kit. Obviously we had to load the non-R2 version of Windows which presented us with a problem. We solved this by:-

  • Downloading the evaluation ISO from Microsoft, here: (there are numerous versions of windows here including Windows 2012 and 2016.
  • Once installed, run the following command from an elevated prompt:
    • Standard edition: DISM /online /Set-Edition:ServerStandard /ProductKey:YOUR-PRODUCT-KEY-HERE /AcceptEula
    • Datacenter edition: DISM /online /Set-Edition:ServerDatacenter /ProductKey:YOUR-PRODUCT-KEY-HERE /AcceptEula
  • Confirm restarts when prompted

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