How To Fix UGMD012 - Communication error during RFC communication with &1

SAP Error Message - Details

• Message type: E = Error

• Message class: UGMD - FIN Master Data: Messages

• Message number: 012

• Message text: Communication error during RFC communication with &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 UGMD012 - Communication error during RFC communication with &1 ?

  The SAP error message UGMD012 indicates a communication error during Remote Function Call (RFC) communication with a specified system (denoted by &1). This error can occur in various scenarios, such as when trying to connect to another SAP system or when executing remote function modules.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems.
  RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  System Availability: The target SAP system may be down or not reachable.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication.
  Incorrect Parameters: The parameters used in the RFC call may be incorrect or not matching the expected format.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the network connection between the systems is functioning properly.
  
  
  
  Verify RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination that is causing the error. Ensure that the connection type, target host, and system number are correct.
  Test the connection using the "Connection Test" option in SM59.
  
  
  
  Check User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to perform the required actions.
  
  
  
  Check System Status:
  
  Verify that the target SAP system is up and running. You can check this by logging into the target system or checking its status in the SAP Solution Manager.
  
  
  
  Review Firewall Settings:
  
  Ensure that any firewalls between the systems allow traffic on the required ports for RFC communication (typically port 3200 for SAP).
  
  
  
  Review RFC Parameters:
  
  Double-check the parameters being passed in the RFC call to ensure they are correct and in the expected format.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  SM21: System Log
  ST22: Dump Analysis
  SICF: HTTP Services
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to RFC communication errors.
  
  
  Logs and Traces: Review system logs and traces for more detailed error messages that can provide additional context for troubleshooting.
  
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.