Fixing the Windows 7 is not genuine message

While I’ve run various builds of Linux for many years, I still have to routinely test my work in Windows. While I often attempt to keep my laptops able to dual-boot into Windows, that only (realistically) supports only a single version of Windows. For older versions, I generally rely upon VirtualBox and can then have different configurations available when needed, while keeping my Linux apps open too!

Occasionally, I’ve had a virtual machine running a licensed copy of Windows 7 start warning that it is not activated. This can prove to be annoying for several reasons, as such I did some research and found that others have encountered the same problem and shared the below solutions.

First method:

  1. Open a command prompt in Administrator mode.
  2. Execute “slmgr -rearm”
  3. NOTE: some sites tell you to locate and remove “slui.exe” – DO NOT DO THIS!
  4. Restart Windows
  5. Problem should be resolved

Alternative – reactive with your product key:

  1. Open a command prompt in Administrator mode.
  2. Execute “slmgr –upk
  3. Execute “slmgr –ipk (your product key)
  4. Restart Windows
  5. Problem should be resolved

REFERENCES:

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