3677982 - Live Direct Connection to SAP HANA fails due to the local network access (LNA) specification using Google Chrome 142 and later

• Access to the following live data sources below hosting in your local network will be blocked after upgrading Google Chrome 142 when using a DIRECT/CORS live data connection in SAP Analytics Cloud (SAC): 
  • SAP HANA on-premise
  • SAP Universe or WebI document

• The following error appears in SAC:
  • When creating Live Direct Connection to SAP HANA:
    
    We couldn't connect to your HANA system. Possible causes: The SSL certificate is not trusted, or a network error occurred. For more information, see our troubleshooting page.
  • When creating or opening a story/model based on Live Direct Connection to SAP HANA:
    Sorry, we couldn’t authenticate you. Please ensure your credentials are valid. 
    

• The following error also appears in the console log of Chrome Browser:
  Access to fetch at 'https://<HANA Host:port>/sap/bc/ina/service/v2/GetServerInfo' from origin 'https://<SAC Domain>' has been blocked by CORS policy: Permission was denied for this request to access the `unknown` address space.
• For Live Direct connection to SAP BW or SAP S/4HANA on-premise hosting in your local network , one pop-up will appear to enable to allow the access:
  
  
  

• SAP Analytics Cloud Enterprise
• SAP HANA On-Premise
• Google Chrome 142

1. On-premise SAP HANA system is configured for live data connections that use the direct connection type as per Live Data Connection to SAP HANA On-Premise Using a Direct Connection
2. On SAC find "Connections" on side navigation > Add Connection
3. The Select a data source dialog will appear.
4. Expand Connect to Live Data and select SAP HANA.
5. In the dialog, enter a name and description for your connection.
6. Set the connection type to Direct.
7. Add your SAP HANA host name, and HTTPS port.
8. Create a model from this connection.
9. The error appears.

Local network access (LNA) specification implemented in Google Chrome.

Browser Side Solution

• Option 1: Disable LNA checks in your Chrome browser chrome://flags/#local-network-access-check
  
  
  • It requires to restart Chrome browser to make it affect.
  • It will affect all domains globally.
    
    
• Option 2: add your SAC URL (https://<SAC Domain>) into in your Chrome browser chrome://settings/content/localNetworkAccess
  
  • This could be accessed and done only when LNA Checks is not disabled.
  • Using this option, you don't need to restart browser but just reload the browser page.

Note: Chrome enterprise users can also have their administrators set an enterprise policy to enable lna for them, rather than having to change every single browser.

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