Você deve ser capaz de acionar isso removendo e adicionando novamente a chave do produto usando ChangeVLKeySP1.vbs e reiniciando o sistema.
cscript changevlkeysp1.vbs <your-prod-uct-key>
shutdown /r /f /t 0
Listando ChangeVLKeySP1.vbs de KB328846 :
'
' WMI Script - ChangeVLKey.vbs
'
' This script changes the product key on the computer
'
'***************************************************************************
ON ERROR RESUME NEXT
if Wscript.arguments.count<1 then
Wscript.echo "Script can't run without VolumeProductKey argument"
Wscript.echo "Correct usage: Cscript ChangeVLKey.vbs ABCDE-FGHIJ-KLMNO-PRSTU-WYQZX"
Wscript.quit
end if
Dim VOL_PROD_KEY
VOL_PROD_KEY = Wscript.arguments.Item(0)
VOL_PROD_KEY = Replace(VOL_PROD_KEY,"-","") 'remove hyphens if any
for each Obj in GetObject("winmgmts:{impersonationLevel=impersonate}").InstancesOf ("win32_WindowsProductActivation")
result = Obj.SetProductKey (VOL_PROD_KEY)
if err <> 0 then
WScript.Echo Err.Description, "0x" & Hex(Err.Number)
Err.Clear
end if
Next