How To Fix UY138 - RFC Destination maintained and working

SAP Error Message - Details

• Message type: E = Error

• Message class: UY - Message class for Upgrade Accelerator Framework

• Message number: 138

• Message text: RFC Destination maintained and working

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 UY138 - RFC Destination maintained and working ?

  The SAP error message UY138 typically indicates an issue with the Remote Function Call (RFC) destination configuration. This message suggests that the RFC destination is maintained in the system but is not functioning correctly, which can lead to communication issues between SAP systems or between an SAP system and an external system.
  Cause:
  
  Incorrect Configuration: The RFC destination may be incorrectly configured, such as wrong connection parameters (like IP address, port, or system ID).
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the target system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Service Availability: The target system may be down or not available for connections.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the target system.
  
  Solution:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination in question and check its configuration settings.
  Ensure that the connection type, target host, and system number are correct.
  
  
  
  Test Connection:
  
  In transaction SM59, select the RFC destination and use the "Connection Test" option to verify if the connection can be established successfully.
  
  
  
  Review Network Settings:
  
  Ensure that there are no network issues preventing access to the target system.
  Check if the target system is reachable via ping or other network tools.
  
  
  
  Check User Credentials:
  
  Verify that the user credentials used for the RFC connection are correct and have the necessary authorizations in both the source and target systems.
  
  
  
  Check Target System Availability:
  
  Ensure that the target SAP system or external system is up and running and can accept connections.
  
  
  
  Firewall and Security Settings:
  
  Review firewall settings to ensure that the necessary ports are open for communication between the systems.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the developer trace (transaction ST22) for any additional error messages that might provide more context.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring RFC destinations and troubleshooting RFC issues.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC destinations.
  Community Forums: Engage with SAP community forums or user groups for shared experiences and solutions related to RFC issues.
  
  By following these steps, you should be able to identify and resolve the underlying issue causing the UY138 error message.