How to fix the authentication error

Hi,

Authentication errors in Microsoft Edge usually happen because of outdated credentials, sync conflicts, policy restrictions, or MFA issues. The quickest fix is to sign out and back in, then reset Edge sync under Settings > Profiles > Sync. If it’s MFA-related, update the Authenticator app and check your device time settings. For enterprise setups, verify domain join and authentication policies.

Let me know how it goes, Happy to help!

To address the authentication error where the system indicates a failure despite entering the correct password, consider the following potential causes and solutions:

1. Incorrect Password: Ensure that the password is entered correctly without any typos. Sometimes, recent password changes may not be updated in the connection settings.
2. User or Role Created Without a Password: If the user or role was created without specifying a password, you will need to set a password for that user or role to enable authentication.
3. Potential Security Breach: If there are multiple failed attempts recorded, it might indicate unauthorized access attempts. In such cases, it’s advisable to review security logs and take necessary precautions.
4. Check for Domain Issues: If using Microsoft Entra, ensure that the on-premises UPN is routable and that the Microsoft Entra Connect server is domain joined, as these can also lead to authentication failures.
5. Sign-in Error Codes: If you encounter specific error codes during the sign-in process, you can look them up for more detailed troubleshooting steps.

By following these guidelines, you should be able to identify and resolve the authentication error you're experiencing.

References:

• Password authentication failed for user <user-name>
• Troubleshoot Microsoft Entra pass-through authentication