# Two factor auth consistently returns invalid authentication code

**URL:** <https://meta.discourse.org/t/two-factor-auth-consistently-returns-invalid-authentication-code/84979>\
**Category:** Product Support\
**Created:** [10.Апрель.2018 13:53:00 UTC](https://meta.discourse.org/t/two-factor-auth-consistently-returns-invalid-authentication-code/84979 "2018-04-10T13:53:00Z")\
**Posts on this page:** 1\
**Showing post:** 1

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**Author:** ![fero](https://avatars.discourse-cdn.com/v4/letter/f/b2d939/32.png) [@fero](https://meta.discourse.org/u/fero)\
**Post date:** [10.Апрель.2018 13:53:00 UTC](https://meta.discourse.org/t/two-factor-auth-consistently-returns-invalid-authentication-code/84979/1 "2018-04-10T13:53:00Z")

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Hi,

I registered myself in a discussion forum that uses your system. I tried to set up 2 factor authentication there but it failed in the last step. When I entered back the code from my device it responded with error:

**Invalid authentication code**

Here on your forum I successfully enabled it. Do you know where might be a problem? I would then advise the administrators of that forum.

Thanks.

Cheers,  
Fero

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