How To Fix /ISDFPS/SYNC004 - Error occurred when configuring tRFC parameter in RFC destination &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/SYNC -

• Message number: 004

• Message text: Error occurred when configuring tRFC parameter in RFC destination &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/SYNC004 - Error occurred when configuring tRFC parameter in RFC destination &1 ?

  The SAP error message /ISDFPS/SYNC004 indicates that there was an issue when configuring the tRFC (Transactional Remote Function Call) parameter in the specified RFC destination. This error typically arises in the context of SAP's Integrated Business Planning (IBP) or other applications that utilize tRFC for communication between systems.
  Cause:
  The error can be caused by several factors, including:
  
  
  Incorrect RFC Destination Configuration: The RFC destination may not be set up correctly, which can include 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 systems involved, preventing successful communication.
  
  
  Authorization Issues: The user credentials used in the RFC destination may not have the necessary authorizations to perform the required operations.
  
  
  tRFC Settings: The tRFC settings in the destination may not be properly configured, or the necessary background jobs for tRFC processing may not be running.
  
  
  SAP Notes: There may be specific SAP Notes that address known issues related to tRFC configuration or the specific version of the software you are using.
  
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination that is causing the error.
  Verify that all connection parameters (such as target host, system number, client, user, and password) are correct.
  
  
  
  Test the Connection:
  
  In transaction SM59, use the "Connection Test" feature to ensure that the RFC destination can connect to the target system successfully.
  
  
  
  Review Authorizations:
  
  Ensure that the user specified in the RFC destination has the necessary authorizations to execute the required functions in the target system.
  
  
  
  Check tRFC Settings:
  
  Ensure that the tRFC settings are correctly configured. This includes checking the relevant parameters in the RFC destination settings.
  
  
  
  Monitor Background Jobs:
  
  Check if the background jobs for tRFC processing are running correctly. You can use transaction SM37 to monitor job status.
  
  
  
  Review SAP Notes:
  
  Search for relevant SAP Notes that may provide additional guidance or fixes related to this error. You can use the SAP Support Launchpad or transaction SNOTE to check for applicable notes.
  
  
  
  Consult Logs:
  
  Check the system logs (transaction SLG1) for any additional error messages or details that may provide more context about the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after following the above steps, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  tRFC: Transactional RFC is a protocol that allows for the reliable and transactional communication between SAP systems. It ensures that messages are processed exactly once, even in the case of failures.
  RFC Destinations: These are configurations in SAP that define how to connect to other SAP systems or external systems.
  SAP Notes: Regularly check for updates and patches that may address known issues or improve functionality related to tRFC and RFC destinations.
  
  By following these steps, you should be able to identify and resolve the issue causing the /ISDFPS/SYNC004 error.