Skip to main content
All CollectionsEU HUBError messages
Resolving the "S4 Client Authentication Failure" Error
Resolving the "S4 Client Authentication Failure" Error

Client Authentication Failure error message means that your IT solution cannot reach the Hub

L
Written by Lorenzo Mari
Updated this week

The "S4 Client Authentication Failure" error indicates that your IT solution is unable to reach the EU Hub due to an invalid/expired session token or client certificate. This error can cause disruptions in the communication between your system and the EU Hub.

Solution

  1. Request a New Session Token:

    • Go to your OBP Portal and request a new Session Token.

    • Ensure that the token is updated in your system until a successful refresh occurs.

  2. Verify Token Refresh:

    • After updating the Session Token, perform a Product Pack Verification in the relevant environment.

    • If you receive a Distribution Callback, this confirms that the Session Token has been successfully refreshed.

    OR

  3. Updating the client Certificate

  4. Preventive Action:

    • Continuous "S4 Client Authentication Failure" errors may cause performance issues and could risk the proper functioning of the EU Hub.

    • EMVO strongly recommends implementing corrective and preventive measures to address and prevent these errors in the future.

Next Steps

If the issue persists or you need further assistance, please contact EMVO Service Desk:

Conclusion

By regularly refreshing the session token and verifying its functionality, OBPs can ensure smooth communication with the EU Hub and avoid potential performance issues.

Did this answer your question?