Asus Zenwifi registration

[srinu_bodhanamp]

System: Asus ZenWifi AX (XT8)
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Detailed description：
I am trying to register a new Asus ZenWifi AX (XT8) system and it says SN is incorrect. It is not. Why is it saying that?

[Blake_ASUS]

Hi there,
If you bought a set of routers, please register the SN on the box, not the SN on individual router.
Thank you.

[srinu_bodhanamp]

Thank you, will try it now.

[srinu_bodhanamp]

It worked, appreciate your help.