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ns89's avatar
ns89
Aspirant
Apr 06, 2020

C7800: Auth Reject - Permanent Authorization Failure

Hello all,   I bought a C7800 as "renewed" from Amazon as open box, and it has a sticker on the bottom of the modem over the original MAC address that has a completely new MAC address. This modem i...
FURRYe38's avatar
FURRYe38
Guru - Experienced User
Apr 08, 2020

I would return the modem and get another. I would recommend that you inform Amazon of this problem so that they can return the modem to NG. The modem isn't usable until NG fixes it. 

 

Or you can try a direct RMA buy opening up a support ticket with NG:

https://www.netgear.com/support/#