How To Fix UACCF138 - RFC Destination maintained and working

SAP Error Message - Details

• Message type: E = Error

• Message class: UACCF - 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 UACCF138 - RFC Destination maintained and working ?

  The SAP error message UACCF138 typically indicates an issue with the Remote Function Call (RFC) destination configuration. This message suggests that the RFC destination is maintained in the system and is operational, but there may be other underlying issues that need to be addressed.
  Cause
  The UACCF138 error can arise from several potential causes, including:
  
  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 perform the required operations.
  Configuration Errors: The RFC destination may be incorrectly configured, such as incorrect parameters or missing details.
  System Availability: The target system may be down or not reachable due to maintenance or other issues.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the target system.
  
  Solution
  To resolve the UACCF138 error, you can follow these steps:
  
  
  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, system number, and other parameters are correctly set.
  
  
  
  Test the Connection:
  
  In transaction SM59, select the RFC destination and use the "Connection Test" option to verify if the connection can be established successfully.
  If the test fails, note the error message for further troubleshooting.
  
  
  
  Check User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to access the target system and perform the required operations.
  
  
  
  Network and System Availability:
  
  Verify that the target system is up and running and that there are no network issues preventing access.
  Check for any scheduled maintenance or downtime for the target system.
  
  
  
  Firewall and Security Settings:
  
  Ensure that there are no firewall rules or security settings blocking the RFC connection. You may need to work with your network/security team to verify this.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages that may provide more context about the issue.
  
  
  
  Related Information
  
  RFC Types: Understand the different types of RFC connections (e.g., T, M, and S) and ensure you are using the correct type for your scenario.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC connections or the UACCF138 error.
  Documentation: Review SAP documentation for best practices on configuring and troubleshooting RFC destinations.
  
  By following these steps, you should be able to identify and resolve the underlying issue causing the UACCF138 error in your SAP system.