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Firefox 2FA will not accept 6-digit codes

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  • Last reply by HBound

HBound
HBound
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I have tried both Google Authenticator and Guardian for use with Mozilla 2FA. I have tried scanning the QR code on my PC multiple times on each authentication app and retrieving multiple codes each time, but all entries stated "incorrect 6 digit code" on my PC to enable 2FA. I am not sure how this is not working. Both authenticator apps identified my correct login email address associated with my Mozilla account so I know it must have something to do with whatever is happening on the back end at Mozilla for my account.

Also, I have read a few posts in the Mozilla support knowledgebase regarding this very same issue, but did not see any resolution. I would really like to have 2FA. Can someone please contact me about this?

I have tried both Google Authenticator and Guardian for use with Mozilla 2FA. I have tried scanning the QR code on my PC multiple times on each authentication app and retrieving multiple codes each time, but all entries stated "incorrect 6 digit code" on my PC to enable 2FA. I am not sure how this is not working. Both authenticator apps identified my correct login email address associated with my Mozilla account so I know it must have something to do with whatever is happening on the back end at Mozilla for my account. Also, I have read a few posts in the Mozilla support knowledgebase regarding this very same issue, but did not see any resolution. I would really like to have 2FA. Can someone please contact me about this?

Chosen solution

Just checking: are you sure that the clock is in sync on both devices? That's the usual culprit.

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Balázs Meskó
Balázs Meskó
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Seçilmiş Həll

Just checking: are you sure that the clock is in sync on both devices? That's the usual culprit.

HBound
HBound Question owner
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That was it! For some reason my PC time was not checked to auto adjust. Once I did that everything worked! Thank you!