How To Fix DB6PM253 - Connection to RFC destination &1 timed out

SAP Error Message - Details

• Message type: E = Error

• Message class: DB6PM - DB2 UDB for UNIX, Windows: Performance Monitoring

• Message number: 253

• Message text: Connection to RFC destination &1 timed out

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 DB6PM253 - Connection to RFC destination &1 timed out ?

  The SAP error message DB6PM253 indicates that there is a timeout issue when trying to connect to a Remote Function Call (RFC) destination. This can occur for various reasons, and understanding the cause and potential solutions can help resolve the issue.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target RFC destination.
  RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system.
  System Load: The target system may be under heavy load, causing it to respond slowly or not at all.
  Firewall Settings: Firewalls or security settings may be blocking the connection to the RFC destination.
  Timeout Settings: The timeout settings for the RFC connection may be too short for the operation being performed.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the SAP system can reach the target system.
  Ensure that there are no network outages or issues.
  
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination (e.g., connection type, target host, system number, etc.).
  Test the connection from within SM59 to see if it is successful.
  
  
  
  Monitor System Load:
  
  Check the performance and load on the target system. If it is overloaded, consider optimizing the system or scheduling jobs during off-peak hours.
  
  
  
  Review Firewall Settings:
  
  Ensure that the necessary ports for RFC communication are open on both the SAP system and the target system.
  Consult with your network/security team to verify that there are no restrictions in place.
  
  
  
  Adjust Timeout Settings:
  
  In transaction SM59, you can adjust the timeout settings for the RFC destination. Look for parameters like "Connection Timeout" and "Response Timeout" and increase their values if necessary.
  
  
  
  Check SAP Notes:
  
  Search for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM59: For managing RFC destinations.
  SM21: For checking system logs for any related errors.
  ST22: For analyzing dumps that may provide more context on the issue.
  
  
  
  Documentation: Review SAP documentation for RFC connections and troubleshooting network issues.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to identify the cause of the timeout error and implement a solution to resolve it.