| Description | This article describes that FortiAuthenticator Agent for Microsoft Windows is a credential provider plug-in that enhances the Windows login process with a one-time password, validated by FortiAuthenticator. |
| Scope | FortiAuthenticator 6.4. |
| Solution |
Windows login process encounter problem can log in with any 2FA token code, it can be checked in the agent debug log to find out the related error message.
In this case, two-factor authentication can take effect by the input of any random token code.
In the debug log of the agent, the related message is visible below. The problem was caused by the domain not being added for 2FA.
2023-01-19 14:12:41,842 [8404|24|DEBUG] TwoFactorAuthPlugin: Received domain: TWTAC, username: twtac5
Adding a domain for the 2FA in the agent configuration.
The two-factor authentication failed due to the invalid token code after adding the domain to the configuration.
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