The answer depends on many things. Hardware changes are cumulative. This
means that Windows increments a counter every time you change some hardware.
Once the counter reaches a certain point you will need to activate. When you
change a motherboard Windows may detect many changes even if the same make
and model is used. If the motherboard has an on board NIC the MAC will be
different. Some motherboards have serial numbers in the BIOS. Some
peripherals on some motherboards (i.e. video,sound, h.d. controller) may
have serial numbers. It is very common for manufacturers to change the chips
used on a motherboard without changing the model number. What this means is
that Windows will detect some changes with a new motherboard. You can't know
in advance what or how many changes. This combined with any previous
hardware changes you may have done may cause Windows to trigger activation.
You won't know until you try it.
Microsoft MVP - Shell/User
"Mark" <email@example.com> wrote in message
> Does anyone know the answer? If I install a new motherboard of the exact
> same kind, and change nothing else, will the machine see that as a new
> hardware change and want to reactivate?