How To Fix SR045 - Trusted system entry already exists for system &

SAP Error Message - Details

• Message type: E = Error

• Message class: SR - RFC utilities

• Message number: 045

• Message text: Trusted system entry already exists for system &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SR045 - Trusted system entry already exists for system & ?

  The SAP error message SR045, which states "Trusted system entry already exists for system &," typically occurs in the context of configuring trusted RFC (Remote Function Call) connections between SAP systems. This error indicates that there is already an entry for the specified system in the trusted system list, which prevents the creation of a duplicate entry.
  Cause:
  The primary cause of this error is that you are attempting to create a trusted system entry for a system that has already been configured as a trusted system in the SAP landscape. This can happen if:
  
  You are trying to set up a trusted RFC connection and mistakenly attempt to add a system that is already listed.
  There was a previous configuration that was not properly removed or cleaned up.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Existing Trusted System Entries:
  
  Go to transaction code SM59 (RFC Destinations).
  Look for the trusted RFC connection you are trying to create. You can filter by the system name or other relevant parameters.
  
  
  
  Remove or Modify Existing Entry:
  
  If you find the existing entry and it is not needed, you can delete it. Make sure to back up any necessary configurations before doing so.
  If the entry is needed but requires modification, you can edit the existing trusted system entry to ensure it meets your current requirements.
  
  
  
  Verify Configuration:
  
  Ensure that the configuration for the trusted RFC connection is correct. This includes checking the user authorizations and ensuring that the necessary trust relationships are established.
  
  
  
  Re-attempt Configuration:
  
  After confirming that there are no duplicate entries, you can re-attempt to create the trusted system entry.
  
  
  
  Check for Transport Issues:
  
  If you are working in a transport landscape, ensure that the transport requests related to the trusted system configuration have been properly imported into the target system.
  
  
  
  Related Information:
  
  Trusted RFC Connections: These are used to establish secure communication between SAP systems, allowing for remote function calls without requiring user credentials each time.
  Transaction Codes:
  
  SM59: For managing RFC destinations.
  SICF: For managing HTTP services, which may also be relevant if you are dealing with web services.
  
  
  Documentation: Refer to SAP Help documentation for detailed steps on configuring trusted RFC connections and troubleshooting common issues.
  
  If the problem persists after following these steps, consider reaching out to your SAP Basis team or consulting SAP support for further assistance.