How To Fix T5521 - Specified RFC destination does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: T5 - SAPphone: Messages for telephony

• Message number: 521

• Message text: Specified RFC destination does not exist

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message T5521 - Specified RFC destination does not exist ?

  The SAP error message T5521, which states "Specified RFC destination does not exist," typically occurs when the system is unable to find the specified Remote Function Call (RFC) destination in the SAP system. This can happen for various reasons, including misconfiguration or missing entries in the RFC destination settings.
  Causes:
  
  Missing RFC Destination: The specified RFC destination has not been created in the SAP system.
  Incorrect RFC Name: The name of the RFC destination used in the program or configuration is incorrect.
  Authorization Issues: The user may not have the necessary authorizations to access the specified RFC destination.
  Network Issues: There may be network connectivity issues preventing access to the remote system.
  Configuration Errors: The RFC destination may be incorrectly configured, leading to it being unrecognized by the system.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction code SM59 in the SAP GUI.
  Look for the specified RFC destination in the list. If it does not exist, you will need to create it.
  
  
  
  Create or Modify RFC Destination:
  
  If the RFC destination is missing, create a new one by clicking on the "Create" button.
  Fill in the required fields, including the target host, system number, and client.
  Test the connection using the "Connection Test" button to ensure it is working correctly.
  
  
  
  Verify RFC Name:
  
  Ensure that the name of the RFC destination used in your program or configuration matches exactly with what is defined in SM59.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the RFC destination. This can be checked in transaction SU53 after attempting to execute the function that triggers the error.
  
  
  
  Network Configuration:
  
  Check for any network issues that may be preventing the connection to the remote system. This may involve checking firewalls, VPNs, or other network configurations.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) for any additional error messages that may provide more context about the issue.
  
  
  
  Related Information:
  
  RFC Destinations: These are used in SAP to enable communication between different SAP systems or between SAP and non-SAP systems.
  Transaction Codes:
  
  SM59: Manage RFC destinations.
  SU53: Analyze authorization failures.
  SM21: View system logs for error messages.
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring RFC destinations and troubleshooting connectivity issues.
  
  By following these steps, you should be able to resolve the T5521 error and ensure that the specified RFC destination is correctly configured and accessible.