How To Fix SGSUB101 - RFC connection GTABKEY_SERVER is not set up (SM59)

SAP Error Message - Details

• Message type: E = Error

• Message class: SGSUB - Central Storage for Data Types and BAdIs

• Message number: 101

• Message text: RFC connection GTABKEY_SERVER is not set up (SM59)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SGSUB101 - RFC connection GTABKEY_SERVER is not set up (SM59) ?

  The SAP error message SGSUB101 indicates that there is an issue with the Remote Function Call (RFC) connection, specifically that the connection named GTABKEY_SERVER is not set up in transaction SM59. This can occur in various scenarios, such as when trying to execute a function module that requires a connection to another SAP system or an external system.
  Cause
  The error typically arises due to one of the following reasons:
  
  Missing RFC Destination: The RFC destination GTABKEY_SERVER has not been created or configured in the SAP system.
  Incorrect Configuration: The RFC destination exists but is not configured correctly (e.g., wrong connection parameters, incorrect logon credentials).
  Authorization Issues: The user trying to access the RFC connection may not have the necessary authorizations.
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the target system.
  
  Solution
  To resolve the error, follow these steps:
  
  
  Check RFC Destination:
  
  Go to transaction SM59.
  Look for the RFC destination GTABKEY_SERVER in the list.
  If it does not exist, you will need to create it:
  
  Click on the "Create" button.
  Enter the necessary details such as connection type (e.g., T for TCP/IP), target host, system number, and client.
  Provide the logon credentials (username and password) if required.
  
  
  If it exists, double-click on it to check its configuration.
  
  
  
  Verify Configuration:
  
  Ensure that all parameters are correctly set, including the target host, system number, and client.
  Test the connection by using the "Connection Test" button in SM59. This will help you verify if the connection can be established successfully.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to use the RFC connection. You may need to check the roles and profiles assigned to the user.
  
  
  
  Network Connectivity:
  
  If the connection test fails, check for any network issues that might be preventing access to the target system. This could include firewall settings, network routing issues, or the target system being down.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the developer trace (transaction ST22) for any additional error messages that might provide more context about the issue.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM59: RFC Destinations (Display and Maintain)
  SM21: System Log
  ST22: Dump Analysis
  SU01: User Maintenance (to check user authorizations)
  
  
  
  Documentation: Refer to SAP Help documentation for more details on configuring RFC connections and troubleshooting RFC issues.
  
  
  By following these steps, you should be able to identify and resolve the issue related to the RFC connection error message SGSUB101.