I moved my Discourse from my personal PC to an “always on” Server, both in the same network. Created a fresh docker with discourse and then restored the backup as shown here: Restore a backup from the command line Everything is fine but login for users who activated 2FA with OTP. I’m using AndOTP o…

maybe some time discrepancy between server and client ?

To narrow down the problem: I have just tried securing my account with a Yubikey, and that worked just fine. It’s only OTP.

Have you tried deleting the OTP records before recreating new ones? See this post for help Disable 2FA via console - howto / sysadmin - Discourse Meta

No, I didn’t - so thank you for that. I had helped myself by creating a new admin user and logging in as this user and using the web interface to disable 2FA for the affected users. I have now followed your link (thank you for that) and it worked insofar that my 2FA with a YubiKey has been disabled…

[immagine] Blechpirat: No. I can’t add an authenticator app, because after scanning the QR-Code, the generated token is not valid. Which was NOT a problem on the original instance. Oh, I haven’t seen this recently, what version of Discourse are you currently running?

[immagine] osioke: Oh, I haven’t seen this recently, what version of Discourse are you currently running? Both versions (source of the backup and the system the backup was restored to) are 2.8.0.beta1 [immagine] Benjamin_D: maybe some time discrepancy between server and client ? I wil…

[immagine] Benjamin_D: maybe some time discrepancy between server and client ? You were right, that solved my problem. While ntp was installed, the time discrepancy was so large that ntp was no longer correcting it. I have now forced the sync and OTP works again.

2FA con OTP interrotto dopo il ripristino dal backup

Supporto

osioke (Osioke Itseuwa) 24 Maggio 2021, 1:34pm 3

Hai provato a eliminare i record OTP prima di ricrearne di nuovi? Consulta questo post per assistenza Disabilita 2FA tramite console - howto / sysadmin - Discourse Meta

Argomento		Risposte	Visualizzazioni
Oops, I lost my phone. How can I OTP now? Support	6	5456	Marzo 19, 2020
2FA - do we have to do anything to enable it? Support 2fa	10	4330	Gennaio 20, 2024
Cannot use 2FA to reset password Support	5	790	Ottobre 13, 2019
Generating 2FA backup codes not available after adding an Authenticator Bug 2fa	4	237	Ottobre 9, 2025
Can't login to a new installation after restoring backup Self-hosting	1	96	Luglio 14, 2025

2FA con OTP interrotto dopo il ripristino dal backup

Argomenti correlati