The pre-shared secret key is associated with the primary Post-quantum Pre-shared Key (PPK) ID. Follow the steps below to update the secret key.
         
            Important: To change the primary pre-shared secret on both gateways, you must define the new secret in the Secondary PPK section and then swap the
                secrets. 
        
        
        
        Steps
- 
                Select  Secure SD-WAN Configuration. Secure SD-WAN Configuration.
- 
                Browse to .
            
- 
                Right-click Post-quantum Preshared Keys element, then select the Properties.
            
- 
                Do one of the following:
                
                    
                        - If you want to update the Primary PPK section with a new pre-shared secret:
                                - Update the Secondary PPK section with the details of the new pre-shared secret.
- Click the OK button.
- Refresh the current policy. For more details, refer to the Refresh the currently installed policy topic.
- Re-open the PPK element properties.
- Click the Swap button.
- Click the OK button to save the changes.
 
- If both the Primary PPK section and the Secondary PPK sections are already populated and you only want to update the
                                Primary PPK section with the existing Secondary PPK section details:
                                - Click the Swap button.
- Click the OK button to save the changes.
 
 
 
- 
                Refresh the current policy. For more details, refer to the Refresh the currently installed policy topic.