How To Fix UY026 - Goto transaction '/asu/start' > Utilities > Maintain RFC destination

SAP Error Message - Details

• Message type: E = Error

• Message class: UY - Message class for Upgrade Accelerator Framework

• Message number: 026

• Message text: Goto transaction '/asu/start' > Utilities > Maintain RFC destination

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UY026 - Goto transaction '/asu/start' > Utilities > Maintain RFC destination ?

  The SAP error message UY026 typically indicates an issue related to the Remote Function Call (RFC) destination configuration in your SAP system. This error often arises when the system is unable to find or connect to the specified RFC destination, which is crucial for communication between different SAP systems or between SAP and non-SAP systems.
  Cause:
  
  Missing RFC Destination: The specified RFC destination does not exist in the system.
  Incorrect Configuration: The RFC destination may be incorrectly configured, such as wrong connection parameters (like IP address, port, or system ID).
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the target system.
  Authorization Issues: The user may not have the necessary authorizations to access the RFC destination.
  System Configuration: The target system may not be properly configured to accept connections from the source system.
  
  Solution:
  To resolve the UY026 error, follow these steps:
  
  
  Check RFC Destination:
  
  Go to transaction code SM59 (RFC Destinations).
  Look for the RFC destination mentioned in the error message.
  If it does not exist, you will need to create it.
  
  
  
  Create or Maintain RFC Destination:
  
  If the destination is missing, create a new RFC destination by clicking on "Create" and filling in the required details (like connection type, target host, system number, etc.).
  If it exists, check the configuration for correctness, including:
  
  Connection type (e.g., T for TCP/IP connections).
  Target host and service (port).
  Logon credentials (user, password, client).
  
  
  
  
  
  Test the Connection:
  
  After configuring the RFC destination, use the "Test Connection" button in SM59 to ensure that the connection is working properly.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the RFC destination. This may involve checking roles and profiles assigned to the user.
  
  
  
  Network Configuration:
  
  Verify that there are no firewall or network issues preventing the connection to the target system.
  
  
  
  Consult Documentation:
  
  If the issue persists, consult SAP documentation or support for further troubleshooting steps specific to your system configuration.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  SU01: User Maintenance (to check user authorizations)
  ST22: Dump Analysis (to check for any related dumps)
  
  
  
  SAP Notes: Check SAP Notes related to RFC issues for any known bugs or additional troubleshooting steps.
  
  
  Logs: Review system logs (transaction SM21) for any additional error messages that may provide more context about the issue.
  
  
  By following these steps, you should be able to identify and resolve the cause of the UY026 error in your SAP system.