How To Fix STEP093 - Unknown error occurred in RFC communication with server &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: STEP - ISO 10303 STEP Mapping Messages

• Message number: 093

• Message text: Unknown error occurred 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.

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 STEP093 - Unknown error occurred in RFC communication with server &1. ?

  The SAP error message "STEP093 Unknown error occurred in RFC communication with server &1" typically indicates that there is an issue with the Remote Function Call (RFC) communication between the SAP system and the specified server. This error can arise from various underlying causes, and troubleshooting it may require a systematic approach. Here are some common causes, potential solutions, and related information:
  Common 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 Errors: Incorrect RFC destination configuration in the SAP system can lead to communication failures.
  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 network delays.
  SAP Kernel Issues: There may be bugs or issues in the SAP kernel or the specific version of the software being used.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication between the systems.
  
  Potential 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 network outages or issues.
  
  
  
  Verify Server Status:
  
  Check if the target server is up and running. If it is down, coordinate with the relevant team to bring it back online.
  
  
  
  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.
  
  
  
  Review SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address known issues with the specific error message or version of SAP you are using.
  
  
  
  Check Logs:
  
  Review the application logs (transaction SLG1) and system logs (transaction SM21) for any additional error messages or warnings that may provide more context.
  
  
  
  Consult with Basis Team:
  
  If the issue persists, consult with your SAP Basis team for further investigation, as they may have access to additional diagnostic tools and logs.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SLG1: Application Log
  SM21: System Log
  ST22: Dump Analysis
  SICF: HTTP Service Hierarchy
  
  
  
  SAP Notes: Always check for relevant SAP Notes that may provide specific fixes or workarounds for the error you are encountering.
  
  
  By following these steps, you should be able to identify and resolve the underlying cause of the "STEP093 Unknown error occurred in RFC communication with server &1" error. If the problem persists, consider reaching out to SAP support for further assistance.