How To Fix /SMB/CUSTOMIZING050 - RFC destination &1 is not available

SAP Error Message - Details

• Message type: E = Error

• Message class: /SMB/CUSTOMIZING -

• Message number: 050

• Message text: RFC destination &1 is not available

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SMB/CUSTOMIZING050 - RFC destination &1 is not available ?

  The SAP error message /SMB/CUSTOMIZING050 RFC destination &1 is not available indicates that the specified RFC (Remote Function Call) destination is not accessible or configured correctly in the SAP system. This can occur in various scenarios, such as when trying to access a remote system or when performing certain operations that require communication with another SAP system or external application.
  Causes:
  
  RFC Destination Not Defined: The specified RFC destination does not exist in the system.
  Incorrect Configuration: The RFC destination is defined but has incorrect parameters (e.g., wrong hostname, port, or logon credentials).
  Network Issues: There may be network connectivity issues preventing access to the remote system.
  Authorization Issues: The user may not have the necessary authorizations to access the specified RFC destination.
  System Down: The target system may be down or not reachable due to maintenance or other issues.
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction code SM59 in the SAP GUI.
  Look for the specified RFC destination (replace &1 with the actual name).
  Verify that the destination is defined and check its configuration settings (e.g., target host, system number, client, user, password).
  
  
  
  Test the RFC Connection:
  
  In transaction SM59, select the RFC destination and click on the "Connection Test" button to check if the connection is working.
  If the test fails, review the error message for more details.
  
  
  
  Check Network Connectivity:
  
  Ensure that the network connection between the SAP system and the target system is functioning properly.
  You can use tools like ping or telnet to check connectivity to the target host and port.
  
  
  
  Review User Authorizations:
  
  Ensure that the user has the necessary authorizations to access the RFC destination.
  Check the roles and profiles assigned to the user.
  
  
  
  Check Target System Status:
  
  Verify that the target system is up and running.
  If the target system is down, coordinate with the system administrator to resolve the issue.
  
  
  
  Review SAP Notes:
  
  Check for any relevant SAP Notes that might address known issues related to the RFC destination or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC destinations.
  SM21: Check system logs for any related error messages.
  ST22: Check for dumps that might provide more context on the error.
  
  
  
  Documentation: Refer to SAP Help documentation for more details on configuring and troubleshooting RFC destinations.
  
  
  By following these steps, you should be able to identify and resolve the issue related to the RFC destination not being available.