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I have a win XP machine that its disk is about to die.
Cloned both partitions it help using clonezilla.

Now when I start windows from the new disk I get: Since windows was first activated on this computer, the hardware on the computer has changed significantly. Due to these changes, window must be reactivated within 3 days. Do you want reactivate windows now?

Most pointers in the inet say that you can activate over the phone, which I would gladly do (I even my product ID) but for this to work you have to be logged in. in my case regardless of how I reply to this message It just logs me out.

I found this article which recommends a repair using the original media, but my original XP media seems to be not working any more either (txtsetup.sif is corrupt or missing Status 18).

I also found several references that said that running rundll32.exe syssetup,SetupOobeBnk would reset the activation and allow me to login so I could complete the over the phone activation, but I am guessing this would work on the running OS.

I was wandering if there is a way to cause rundll32.exe syssetup,SetupOobeBnk to run on a windows installation that is not the currently running one but is on a disk connected to a machine running windows ? i.e. can I use another computer that has the OS to force the OS on some hard drive into 30 days trial before activition ?

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You can boot in safe mode with command prompt. Type explorer.exe and then you can run:

rundll32.exe syssetup,SetupOobeBnk
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