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Windows 7: uninstall/deactivate Windows 7 in a VM?

14 Dec 2016   #1
HAVOC

Windows 7 Professional 64bit
 
 
uninstall/deactivate Windows 7 in a VM?

I have Windows 7 Home (retail version). I want to use it in a VM using VirtualBox. When I'm done with whatever it is I'm doing, can I uninstall/deactivate it even though it's running as a VM? Just want to make sure I can use it on another computer at a later date.

I've read through this tutorial: Product Key Number - Uninstall and Deactivate in Windows


My System SpecsSystem Spec
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15 Dec 2016   #2
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

Yep, just delete the VM
My System SpecsSystem Spec
15 Dec 2016   #3
Pyprohly

Windows 10, Windows 8.1 Pro, Windows 7 Professional, OS X El Capitan
 
 

@AddRAM Whoa, no, serious murder! If you don’t deactivate the key before deleting the VM the key will be lost for good. Deleting an activated VM is like throwing your laptop off a cliff, everything including the key will be unrecoverable, wouldn’t it?
My System SpecsSystem Spec
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15 Dec 2016   #4
Megahertz07

Windows 7 HP 64
 
 

Pyprohly, that isn't true. Deactivation only removes the activation key from the computer but don't tell M$ that the key was removed from the computer.
I have the same Win 7 retail for years and installed in 3 computers I had. When I want to sell the old computer I format the HDD and install Lubuntu.
And then install Win 7 on the new one. And it activates normally.
My System SpecsSystem Spec
15 Dec 2016   #5
torchwood

W7 home premium 32bit/W7HP 64bit/w10 tp insider ring
 
 

RETAIL IS RETAIL
IT CAN BE MOVED TO ANY MACHINE AT ANY TIME.

Roy
My System SpecsSystem Spec
15 Dec 2016   #6
ThrashZone

Win-7-Pro64bit 7-H-Prem-64bit
 
 

Hi,
I still don't get where the key is stored in the bios ?
If one replaced the hdd/ ssd how can anyone get the key or keys that were on it unless the bios retained it
My System SpecsSystem Spec
16 Dec 2016   #7
Pyprohly

Windows 10, Windows 8.1 Pro, Windows 7 Professional, OS X El Capitan
 
 

I’ve got questions too.

I was under the impression that deactivation must occur in order to free up the licensing key on the licensing server, because, thinking about it, how are the licensing servers to know if a key is in use or not otherwise?

Definitely, you can’t use the same key twice on two different machines, the second activation attempt would be rejected, right? So the question stands: how do the MS licensing servers tell if a key is currently in use? A switched off machine is indistinguishable from one that no longer exists (i.e., had been formatted).

Also, are only OEM keys stored in the BIOS?
My System SpecsSystem Spec
16 Dec 2016   #8
Megahertz07

Windows 7 HP 64
 
 

Nothing is stored in BIOS.
For win 7 retail:
When you activate M$, windows store somewhere in the computer, the MAC address (Media Access Control address) of the LAN or wireless chip. Every time you boot, Win verifies if MAC is the same when it was activated. M$ allow one online activation every 6 moths. If you want to reinstall in this 6 moths period, you have to do it by phone.

For win 7 OEM.
Is the same activation process. The difference is that the MAC is sent to M$. That is why you can install but cant activate on another computer.

For win 10 Retail and OEM
Is the same activation process. The difference is that the MAC is always sent to M$.

If you want to see what I wrote, try to disable LAN and / or WLAN on BIOS. As soon as you boot, it will ask to activate. Reboot, enable LAN and / or WLAN on BIOS and it will be activate.
My System SpecsSystem Spec
16 Dec 2016   #9
Pyprohly

Windows 10, Windows 8.1 Pro, Windows 7 Professional, OS X El Capitan
 
 

Thanks for the insight, Megahertz07.

Though, its still not clear to me how the licensing servers may determine when a key becomes available? When you perform a format you’re abruptly taking that unique copy of Windows offline forever. There is no opportunity for the Windows install to contact MS servers in order to free the key.
My System SpecsSystem Spec
16 Dec 2016   #10
Megahertz07

Windows 7 HP 64
 
 

Licensing servers never knows when a key becomes available.
Win7 (OEM) and Win 10 (retail or OEM) - As M$ has the MAC of the fist installation you can reinstall as many times you want as long is on same computer (same MAC).

Win7 or Win10 (retail) - If you do a reinstall (win7) or an install on a different computer (Win7 or Win10) on the 6 moths period, you have to do it by phone.
My System SpecsSystem Spec
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 uninstall/deactivate Windows 7 in a VM?




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