How To Fix /PF1/MSG_PO_EV100 - Authorization: Connection failure to '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_PO_EV -

• Message number: 100

• Message text: Authorization: Connection failure to '&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.

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

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_PO_EV100 - Authorization: Connection failure to '&1' ?

  The SAP error message /PF1/MSG_PO_EV100 Authorization: Connection failure to '&1' typically indicates that there is an issue with the connection to a specific system or service that is required for processing a purchase order (PO) event. The &1 placeholder usually represents the name of the system or service that the connection is failing to reach.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  Authorization Issues: The user may not have the necessary authorizations to access the target system.
  Configuration Errors: Incorrect configuration settings in the SAP system or the target system can lead to connection failures.
  Service Availability: The target service may be down or not running, leading to a failure in establishing a connection.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the target system.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Verify that the SAP system can reach the target system. You can use tools like ping or traceroute to check connectivity.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to access the target system. This may involve checking roles and permissions in both the SAP system and the target system.
  
  
  
  Verify Configuration Settings:
  
  Check the configuration settings in the SAP system for any misconfigurations related to the connection. This may include checking RFC destinations, logical systems, or any relevant settings in transaction codes like SM59 (RFC Destinations).
  
  
  
  Check Service Status:
  
  Ensure that the target service is up and running. If it is a web service, you can try accessing it directly via a web browser or a tool like Postman.
  
  
  
  Firewall and Security Settings:
  
  Review firewall settings to ensure that they are not blocking the connection. You may need to work with your network/security team to allow traffic between the systems.
  
  
  
  Consult Logs:
  
  Check the SAP application logs (transaction SLG1) and system logs (transaction SM21) for any additional error messages or information that could provide more context about the connection failure.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: To check and configure RFC destinations.
  SLG1: To view application logs for error messages.
  SM21: To view system logs for additional error context.
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  
  
  By following these steps, you should be able to identify and resolve the connection failure indicated by the error message.