How To Fix LDR001 - RFC destination was specified

SAP Error Message - Details

• Message type: E = Error

• Message class: LDR - Messages for Generic Procedure Call

• Message number: 001

• Message text: RFC destination was specified

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 LDR001 - RFC destination was specified ?

  The SAP error message LDR001 indicates that there is an issue with the RFC (Remote Function Call) destination specified in your SAP system. This error typically occurs when the system is unable to connect to the specified RFC destination, which can be due to various reasons.
  Causes of LDR001 Error
  
  
  Incorrect RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system. This includes incorrect connection parameters, such as the target system's hostname, system number, client, user credentials, etc.
  
  
  Network Issues: There may be network connectivity issues between the SAP system and the target system specified in the RFC destination.
  
  
  Authorization Issues: The user credentials specified in the RFC destination may not have the necessary authorizations to connect to the target system.
  
  
  Target System Down: The target SAP system may be down or not reachable due to maintenance or other issues.
  
  
  Firewall or Security Settings: Firewalls or security settings may be blocking the connection to the target system.
  
  
  Solutions to LDR001 Error
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination that is causing the error.
  Verify the connection parameters (e.g., target host, system number, client, user, password).
  Test the connection using the "Connection Test" button to see if it is successful.
  
  
  
  Network Connectivity:
  
  Ensure that the network connection between the SAP system and the target system is active.
  Use tools like ping or telnet to check connectivity to the target host and port.
  
  
  
  User Authorization:
  
  Check the user credentials specified in the RFC destination.
  Ensure that the user has the necessary authorizations to access the target system.
  
  
  
  Check Target System Status:
  
  Verify that the target SAP system is up and running.
  Check for any scheduled maintenance or downtime.
  
  
  
  Firewall and Security Settings:
  
  Ensure that any firewalls or security settings allow traffic between the two systems on the required ports.
  
  
  
  Review Logs:
  
  Check the SAP system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages that may provide more context.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  SM21: System Log
  SLG1: Application Log
  
  
  
  Documentation: Refer to SAP Help documentation for more details on configuring RFC destinations and troubleshooting connectivity issues.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC destinations and the LDR001 error.
  
  
  By following these steps, you should be able to identify and resolve the cause of the LDR001 error in your SAP system.