How To Fix V/135 - External system has not been reached for authorization &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: V/ -

• Message number: 135

• Message text: External system has not been reached for authorization &1.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message V/135 - External system has not been reached for authorization &1. ?

  The SAP error message V/135, which states "External system has not been reached for authorization &1," typically occurs when there is an issue with the communication between the SAP system and an external system that is responsible for authorization checks. This can happen in scenarios where SAP is integrated with other systems for user authentication or authorization purposes.
  Causes:
  
  Network Issues: There may be network connectivity problems preventing SAP from reaching the external system.
  Configuration Errors: Incorrect configuration settings in the SAP system or the external system can lead to communication failures.
  External System Down: The external authorization system may be down or not operational.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication between SAP and the external system.
  Incorrect URL or Endpoint: The URL or endpoint configured in SAP to reach the external system may be incorrect or outdated.
  Authorization Issues: The user or service account used to connect to the external system may not have the necessary permissions.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the SAP system can reach the external system. You can use tools like ping or traceroute to diagnose network issues.
  Review Configuration Settings: Verify the configuration settings in both SAP and the external system. Ensure that the connection parameters (like URLs, ports, etc.) are correct.
  Check External System Status: Confirm that the external authorization system is up and running. If it is down, you may need to contact the system administrator.
  Firewall and Security Settings: Review firewall rules and security settings to ensure that they allow traffic between the SAP system and the external system.
  Update Endpoint Information: If the external system has changed its endpoint or URL, update the configuration in SAP accordingly.
  Verify User Permissions: Ensure that the user or service account used for the connection has the necessary permissions to access the external system.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SM59 (RFC Destinations) to check the configuration of the connection to the external system.
  Logs and Traces: Check the SAP application logs (transaction SLG1) and system logs (transaction SM21) for more detailed error messages that can provide additional context.
  Documentation: Refer to the SAP documentation for the specific integration scenario you are working with, as it may provide additional troubleshooting steps or configuration guidelines.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or the support team for the external system for further assistance.