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khee
New Contributor

Fortigate 80c v4.0 reset admin password

Does anybody know how to do the Fortigate 80c v4.0 reset admin password ?

Maintainer account serial no. password doesn't work.

10 REPLIES 10
Toshi_Esumi
SuperUser
SuperUser

I don't remember well when we were running 4.0MR3 15 years ago or so. But I think the "maintainer" operation was the same. So try following below:

https://community.fortinet.com/t5/FortiGate/Technical-Tip-Reset-a-lost-admin-password-on-a-FortiGate...

 

Toshi

khee
New Contributor

Thanks, but I already tried maintainer and it doesn't work.

Toshi_Esumi
SuperUser
SuperUser

Are you sure you put the correct password (case sensitive) within 14 second? If so, I don't know any other way. You need to find an older guy than me.

khee
New Contributor

yes, but unfortunately it just doesn't work. thanks.

Kangming
Staff
Staff

If the maintainer account does not work properly, you can only format the CF card by the console, and then use tftp to import the image to restore the device.

Thanks

Kangming

khee
New Contributor

I have seen that there's a way to format it, but how can I store at TFTP server before that ?

Kangming

Can refer to this document:

https://community.fortinet.com/t5/FortiGate/Technical-Tip-Formatting-and-loading-FortiGate-firmware-...

 

All configuration and image will be lost due to formatting CF, If the configuration is not important, you can do this. In addition, you need to prepare the image of the FGT80C in advance. The last FGT80C version is v5.6.14 GA Release, which may need to find TAC to download.

Thanks

Kangming

khee
New Contributor

thanks, but the thing is I don't have TAC account.

Toshi_Esumi
SuperUser
SuperUser

If you can lose the config, or have a backup config.

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