Difference between revisions of "Steps to fix two factor auth setup error"

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===Steps to fix two factor auth setup error===
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=Steps to fix two factor auth setup error=  
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====Problem====
 
====Problem====
 
Unable to configure two factor auth for the user and getting following error while entering 6 digit code during setup.   
 
Unable to configure two factor auth for the user and getting following error while entering 6 digit code during setup.   
  
<code>"Error! Enter code again to confirm setup"</code>
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[[File:2FA_Error.PNG]]
  
  
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Submitted by:  Heera Singh Koranga
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{{Article Footer|ZCS 8.8, 8.7 |2017-08-23}}

Revision as of 16:14, 17 August 2018

Steps to fix two factor auth setup error


   KB 23359        Last updated on 2018-08-17  




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Problem

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

2FA Error.PNG


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.


Attribute Description:
zmprov desc -a zimbraTwoFactorTimeWindowOffset

   Determines the number of windows to check when trying to validate a
   TOTP code (NOW-n through NOW+n). This number should typically be
   small, but a minimum value of 1 is usually necessary to account for
   network latency and clock drift. See also:
   zimbraTwoFactorTimeWindowLength and
   https://tools.ietf.org/html/rfc6238#section-5.2

              type : integer
             value :
          callback :
         immutable : false
       cardinality : single
        requiredIn :
        optionalIn : globalConfig
             flags :
          defaults : 1
               min : 1
               max :
                id : 1830
   requiresRestart :
             since : 8.7.0,9.0.0
   deprecatedSince :


Submitted by: Heera Singh Koranga
Verified Against: ZCS 8.8, 8.7 Date Created: 2017-08-23
Article ID: https://wiki.zimbra.com/index.php?title=Steps_to_fix_two_factor_auth_setup_error Date Modified: 2018-08-17



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