Steps to fix two factor auth setup error

---

Problem:

Unable to configure two factor auth for the user and getting following error while entering 6 digit code during setup.

"Error! Enter code again to confirm setup"

Solution:

We need to increase time windows offset limit for two factor authentication.

su - zimbra
zmprov mcf zimbraTwoFactorTimeWindowOffset 15   
zmprov fc -a all   

Note: If you still get same error with 15 then increase offset upto 30. 30 is maximum limit.