How To Fix UMC005 - System error when calling up the RFC destination &1

SAP Error Message - Details

• Message type: E = Error

• Message class: UMC - General Messages

• Message number: 005

• Message text: System error when calling up the RFC destination &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 UMC005 - System error when calling up the RFC destination &1 ?

  The SAP error message UMC005, which indicates a "System error when calling up the RFC destination &1," typically arises when there is an issue with the Remote Function Call (RFC) destination configuration or connectivity. Here are some common causes, potential solutions, and related information for this error:
  Causes:
  
  
  RFC Destination Configuration Issues: The RFC destination may not be correctly configured in the SAP system. This includes incorrect parameters, such as the target system's hostname, system number, or client number.
  
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system defined in the RFC destination.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  
  
  System Availability: The target system may be down or not reachable due to maintenance or other issues.
  
  
  SAP Kernel or Software Bugs: There may be bugs in the SAP kernel or related software components that could lead to this error.
  
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 and check the configuration of the RFC destination that is causing the error.
  Ensure that the connection type (e.g., T, 3, etc.) is appropriate and that all parameters (like hostname, system number, client, user, and password) are correctly set.
  
  
  
  Test the Connection:
  
  In transaction SM59, use the "Test Connection" feature to verify if the RFC destination can be reached successfully. This will help identify if the issue is with the configuration or network.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no firewall or network issues preventing access to the target system. You can use tools like ping or telnet to check connectivity.
  
  
  
  Review User Authorizations:
  
  Verify that the user credentials used for the RFC connection have the necessary authorizations in the target system. You may need to check roles and profiles assigned to the user.
  
  
  
  Check System Status:
  
  Ensure that the target system is up and running. You can check the status of the system using transaction SM51 or by contacting the system administrator.
  
  
  
  Review SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address known issues related to the UMC005 error. There may be patches or updates available that resolve the issue.
  
  
  
  Consult Logs:
  
  Review the system logs (transaction SM21) and the developer trace files (transaction ST22) for any additional error messages or information that could provide more context about the issue.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  ST22: Dump Analysis
  SM51: List of Active Instances
  
  
  
  SAP Notes: Always check for the latest SAP Notes related to RFC issues or the specific error message. You can search for UMC005 in the SAP Support Portal.
  
  
  Documentation: Refer to the official SAP documentation for detailed information on configuring RFC destinations and troubleshooting connectivity issues.
  
  
  By following these steps, you should be able to identify and resolve the cause of the UMC005 error in your SAP system.