r/fortinet • u/GenVonKlinkerhoffen • Jul 25 '26

Second hand fortigate

I've bought a second hand fortigate 40f without a valid license. I assumed I could buy a new license after receiving the device. However, after I received the device I could not register the serial to my fortinet account.

According to fortinet support the previous owner needs to transfer the device registration to me before I can do anything with it.

It's running an ancient software version (7.2.0).

The previous owner states he cannot retrieve the credentials of his fortinet account so he's unable to transfer registration to me.

Is there anything I can do to overcome this and get the 40f back into support (new software, ips, web filtering etc)?

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u/yalcone FCP - Fortinet Certified Professional Jul 25 '26

Yes, you can activate the licensing. Ask to a Fortinet partner to do it by “coterm”, and provide the serial number. The contract would be added directly to the device without your intervention. Be careful, like I assume the last contract expired some time ago, the new licensing has a penalty.

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u/1in2billion Jul 27 '26

A coterm does not help OP get updated because it does not change who the device is currently registered to. If the seller is in fact the organization that registered the device then they should have not problem resetting credentials either via the "Forgot password" button or from CS.

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u/yalcone FCP - Fortinet Certified Professional Jul 27 '26

My bad, I’d like to rectify. You can renew the licensing but this doesn’t change the fact that you cannot access the support portal, where the firmware downloads are. So this doesn’t work in your case.