How To Fix EDESK_COMM_PIO016 - Communication failure in system &1 when RFC &2 with destination &3 called

SAP Error Message - Details

• Message type: E = Error

• Message class: EDESK_COMM_PIO - Engineering Desktop: Partner Integration Outbound

• Message number: 016

• Message text: Communication failure in system &1 when RFC &2 with destination &3 called

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 EDESK_COMM_PIO016 - Communication failure in system &1 when RFC &2 with destination &3 called ?

  The SAP error message EDESK_COMM_PIO016 indicates a communication failure when trying to establish a Remote Function Call (RFC) to a specified destination. This error can occur due to various reasons, and understanding the cause is essential for troubleshooting. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems involved. This could be due to firewalls, routing issues, or network outages.
  RFC Destination Configuration: The RFC destination might be incorrectly configured. This includes incorrect hostnames, IP addresses, or ports.
  Authorization Issues: The user credentials used for the RFC call may not have the necessary authorizations to access the target system.
  System Availability: The target system might be down or not reachable due to maintenance or other issues.
  SAP Gateway Issues: Problems with the SAP Gateway on either the source or target system can lead to communication failures.
  Timeout Settings: The timeout settings for the RFC call may be too short, causing the call to fail if the response takes longer than expected.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify connectivity between the systems.
  Ensure that firewalls are configured to allow traffic on the required ports.
  
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI and check the configuration of the RFC destination.
  Ensure that the hostname, service (port), and other parameters are correct.
  
  
  
  Check User Authorizations:
  
  Ensure that the user credentials used for the RFC call have the necessary authorizations in the target system.
  You can check user roles and profiles in transaction SU01.
  
  
  
  Check System Availability:
  
  Verify that the target system is up and running. You can check this by logging into the target system or using transaction SM51 to see active instances.
  
  
  
  Review SAP Gateway Logs:
  
  Check the SAP Gateway logs for any errors or warnings that might indicate issues with the communication. You can find logs in transaction SMGW.
  
  
  
  Adjust Timeout Settings:
  
  If the timeout is an issue, consider increasing the timeout settings in the RFC destination configuration in SM59.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destination Configuration
  SMGW: SAP Gateway Monitor
  SU01: User Maintenance
  SM51: List of Active Instances
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues related to RFC communication failures.
  
  
  Logs: Review system logs (transaction SM21) for any additional error messages that might provide more context.
  
  
  By systematically checking these areas, you should be able to identify and resolve the communication failure indicated by the error message EDESK_COMM_PIO016.