How To Fix CRM_TAX108 - No connection could be made to an external system

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_TAX - CRM Tax Calculation Output

• Message number: 108

• Message text: No connection could be made to an external system

What causes this issue?

This is either a technical problem, for example, the external system
was moved or the RFC interface is inactive, or the wrong RFC function
has been entered in Customizing.,,

System Response

No tax jurisdiction code could be determined.

How to fix this error?

Inform your system group.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_TAX108 - No connection could be made to an external system ?

  The SAP error message CRM_TAX108 indicates that there is an issue with the connection to an external tax calculation system. This error typically arises when the SAP system is unable to communicate with the external tax service, which is often used for calculating taxes in sales and distribution processes.
  Causes of CRM_TAX108
  
  Network Issues: There may be network connectivity problems between the SAP system and the external tax service.
  Configuration Errors: Incorrect configuration settings in the SAP system for the external tax service can lead to connection failures.
  Service Availability: The external tax service may be down or experiencing issues, preventing the SAP system from establishing a connection.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the external service.
  Incorrect URL or Endpoint: The URL or endpoint configured in SAP for the external tax service may be incorrect or outdated.
  Authentication Issues: If the external service requires authentication, incorrect credentials may lead to connection failures.
  
  Solutions to CRM_TAX108
  
  
  Check Network Connectivity:
  
  Ensure that the SAP system can reach the external tax service. You can use tools like ping or telnet to test connectivity to the service's IP address or hostname.
  
  
  
  Review Configuration Settings:
  
  Verify the configuration settings in the SAP system for the external tax service. This includes checking the URL, port number, and any other relevant parameters.
  
  
  
  Service Status:
  
  Check the status of the external tax service to ensure it is operational. If the service is down, you may need to wait until it is restored.
  
  
  
  Firewall and Security Settings:
  
  Review firewall settings to ensure that they are not blocking the connection to the external tax service. You may need to work with your network/security team to allow the necessary traffic.
  
  
  
  Update URL or Endpoint:
  
  If the external tax service has changed its URL or endpoint, update the configuration in SAP accordingly.
  
  
  
  Authentication Credentials:
  
  If the external service requires authentication, ensure that the correct credentials are being used. Update them in the SAP configuration if necessary.
  
  
  
  Check SAP Notes:
  
  Look for any relevant SAP Notes or updates that may address this specific error. SAP frequently releases patches and updates that can resolve known issues.
  
  
  
  Consult Logs:
  
  Review the application logs in SAP for more detailed error messages that may provide additional context about the connection failure.
  
  
  
  Related Information
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on configuring external tax services and troubleshooting connectivity issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Technical Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the CRM_TAX108 error effectively.