How To Fix S_UNIFIED_CON603 - Set profile parameter ucon/rfc/active to 1 to activate runtime

SAP Error Message - Details

• Message type: E = Error

• Message class: S_UNIFIED_CON - Message Class for Unified Connectivity

• Message number: 603

• Message text: Set profile parameter ucon/rfc/active to 1 to activate runtime

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message S_UNIFIED_CON603 - Set profile parameter ucon/rfc/active to 1 to activate runtime ?

  The SAP error message S_UNIFIED_CON603 indicates that the Unified Connectivity (UCON) framework is not activated in your SAP system. This framework is essential for enabling certain connectivity features, particularly for RFC (Remote Function Call) connections.
  
  Cause:
  The error occurs because the profile parameter ucon/rfc/active is set to 0 (inactive). This means that the UCON framework is not enabled, which prevents the system from processing certain RFC calls or functionalities that rely on this framework.
  
  Solution:
  To resolve this error, you need to activate the UCON framework by changing the profile parameter. Here are the steps to do this:
  
  
  Access the SAP system: Log in to your SAP system with appropriate administrative privileges.
  
  
  Open the Profile Parameter Maintenance:
  
  You can do this by using transaction code RZ10.
  Alternatively, you can also use transaction RZ11 to change the parameter dynamically.
  
  
  
  Change the Parameter:
  
  In RZ10, select the instance profile you want to modify (usually the default profile).
  Look for the parameter ucon/rfc/active.
  Change its