How To Fix WRF_DISPRO116 - Communication failure when calling &1, task &2

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_DISPRO -

• Message number: 116

• Message text: Communication failure when calling &1, task &2

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 WRF_DISPRO116 - Communication failure when calling &1, task &2 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WRF_DISPRO116 Communication failure when calling &1, task &2
  
  Meaning / Cause:
  This error indicates that there was a communication failure during a remote function call (RFC) or a web service call from one SAP system or component to another. The placeholders &1 and &2 represent the target system or service being called and the specific task or operation attempted, respectively.
  Common causes include:
  
  Network connectivity issues between the calling system and the target system.
  The target system or service is down or not reachable.
  Incorrect configuration of RFC destinations or web service endpoints.
  Firewall or security settings blocking the communication.
  Timeout settings causing the call to fail if the response is delayed.
  Issues with the SAP Gateway or ICM (Internet Communication Manager) on the target system.
  
  
  Solution / Troubleshooting Steps:
  
  
  Check Network Connectivity:
  
  Ping the target system from the calling system to verify network reachability.
  Use traceroute or similar tools to check for network path issues.
  
  
  
  Verify RFC Destination / Service Configuration:
  
  In transaction SM59, check the RFC destination used for the call.
  Test the connection in SM59 to see if it is working properly.
  Ensure the target system's hostname, IP, and service parameters are correct.
  
  
  
  Check Target System Status:
  
  Verify that the target SAP system or service is up and running.
  Check if the SAP Gateway and ICM are active and properly configured.
  
  
  
  Review Logs and Traces:
  
  Check the system log (transaction SM21) for related errors.
  Review developer traces (transaction ST11) and gateway logs.
  Look into the short dumps (transaction ST22) for any runtime errors.
  
  
  
  Firewall and Security Settings:
  
  Ensure that firewalls between the systems allow the required ports (e.g., SAP Gateway port 33xx).
  Check if any recent changes in network security policies might be blocking communication.
  
  
  
  Timeout and Performance:
  
  Increase timeout settings if the target system is slow to respond.
  Check for performance bottlenecks on the target system.
  
  
  
  SAP Notes and Support:
  
  Search SAP Support Portal for notes related to WRF_DISPRO116.
  Apply any relevant patches or corrections if the issue is due to a known bug.
  
  
  
  
  Related Information:
  
  Transaction SM59: Manage and test RFC destinations.
  Transaction SM21: System log for error analysis.
  Transaction ST22: ABAP runtime error analysis.
  Transaction ST11: Access developer traces.
  SAP Gateway and ICM: Components responsible for communication.
  SAP OSS Notes: Check for specific notes related to communication failures.
  
  
  If you provide the exact values for &1 (the called system/service) and &2 (the task), more specific guidance can be given.
  
  Summary:
  
  The error WRF_DISPRO116 is a communication failure during a remote call. The root cause is usually network or configuration related. Verify connectivity, RFC destination settings, system availability, and logs to identify and resolve the issue.