How To Fix SIG160 - Access to external security product is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: SIG - Digital Signature

• Message number: 160

• Message text: Access to external security product is not possible

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SIG160 - Access to external security product is not possible ?

  The SAP error message SIG160, which states "Access to external security product is not possible," typically occurs when there is an issue with the integration between SAP and an external security product, such as a security server or a third-party authentication system. This error can arise in various contexts, including when trying to authenticate users or access secured resources.
  Causes:
  
  Configuration Issues: Incorrect configuration settings in the SAP system or the external security product can lead to this error. This includes incorrect URLs, ports, or authentication methods.
  Network Issues: Network connectivity problems between the SAP system and the external security product can prevent access.
  Service Availability: The external security product may be down or not running, making it inaccessible.
  Authorization Problems: The user or service account being used may not have the necessary permissions to access the external security product.
  Firewall or Security Settings: Firewalls or security settings may be blocking the connection to the external security product.
  
  Solutions:
  
  Check Configuration: Review the configuration settings in both the SAP system and the external security product. Ensure that all parameters (like URLs, ports, and authentication methods) are correctly set.
  Test Connectivity: Use network tools (like ping or telnet) to check if the SAP system can reach the external security product. Ensure that there are no network issues.
  Verify Service Status: Ensure that the external security product is up and running. Check logs or status indicators to confirm its operational status.
  Review User Permissions: Check the permissions of the user or service account being used to access the external security product. Ensure it has the necessary rights.
  Firewall Settings: Review firewall settings to ensure that they are not blocking the connection between the SAP system and the external security product.
  Consult Documentation: Refer to the documentation for both SAP and the external security product for any specific configuration or troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the SIG160 error. SAP frequently updates its knowledge base with solutions to common problems.
  Logs: Review the SAP application logs (transaction SM21) and the logs of the external security product for any additional error messages or clues.
  Support: If the issue persists, consider reaching out to SAP support or the support team for the external security product for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the SIG160 error in your SAP environment.