How To Fix STEP091 - Error in RFC communication with server &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: STEP - ISO 10303 STEP Mapping Messages

• Message number: 091

• Message text: Error in RFC communication with server &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 STEP091 - Error in RFC communication with server &1. ?

  The SAP error message "STEP091 Error in RFC communication with server &1" typically indicates that there is a problem with the Remote Function Call (RFC) communication between the SAP system and the specified server. This error can occur in various scenarios, such as during data transfer, when calling remote functions, or when executing background jobs.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target server.
  Server Unavailability: The target server might be down or not reachable due to maintenance or other issues.
  Configuration Issues: Incorrect RFC destination configuration in the SAP system can lead to communication errors.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Timeouts: The RFC call may be timing out due to long processing times or heavy load on the server.
  Version Mismatch: Incompatibility between the SAP system and the target server's software versions.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the SAP system can reach the target server.
  Ensure that there are no firewall rules blocking the communication.
  
  
  
  Verify Server Status:
  
  Check if the target server is up and running. If it is down, coordinate with the server administrators to resolve the issue.
  
  
  
  Review RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI and check the configuration of the RFC destination.
  Ensure that the connection type, target host, and system number are correctly configured.
  
  
  
  Check User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to perform the required actions.
  
  
  
  Increase Timeout Settings:
  
  If timeouts are suspected, consider increasing the timeout settings in the RFC destination configuration.
  
  
  
  Check for Version Compatibility:
  
  Ensure that both the SAP system and the target server are compatible in terms of software versions.
  
  
  
  Review Logs:
  
  Check the SAP system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages that may provide more context.
  
  
  
  Test RFC Connection:
  
  Use the "Test Connection" feature in transaction SM59 to verify that the RFC connection is working as expected.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  SLG1: Application Log
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC communication.
  Documentation: Review SAP documentation for best practices on configuring and troubleshooting RFC connections.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.