How To Fix /SMB/CUSTOMIZING067 - Could not retrieve hostname of RFC destination

SAP Error Message - Details

• Message type: E = Error

• Message class: /SMB/CUSTOMIZING -

• Message number: 067

• Message text: Could not retrieve hostname of RFC destination

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SMB/CUSTOMIZING067 - Could not retrieve hostname of RFC destination ?

  The SAP error message /SMB/CUSTOMIZING067 Could not retrieve hostname of RFC destination typically indicates an issue with the configuration of an RFC (Remote Function Call) destination in the SAP system. This error can occur when the system is unable to resolve the hostname associated with the specified RFC destination.
  Causes:
  
  Incorrect RFC Destination Configuration: The RFC destination may not be configured correctly in transaction SM59.
  Network Issues: There may be network connectivity issues preventing the SAP system from resolving the hostname.
  DNS Configuration: The DNS settings on the server may not be correctly configured, leading to hostname resolution failures.
  Missing Host Entry: The hostname may not be present in the /etc/hosts file or the equivalent configuration on the server.
  Firewall Restrictions: Firewalls may be blocking access to the hostname or the port used for the RFC connection.
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59.
  Locate the RFC destination that is causing the issue.
  Verify that the hostname and service (port) are correctly specified.
  
  
  
  Test Connection:
  
  In SM59, use the "Connection Test" feature to check if the RFC destination can be reached.
  If the test fails, it may provide additional error messages that can help diagnose the issue.
  
  
  
  Verify Network Connectivity:
  
  Use command-line tools (like ping or nslookup) to check if the hostname can be resolved from the server where SAP is running.
  Ensure that the server has internet access or access to the network where the target system resides.
  
  
  
  Check DNS Configuration:
  
  Ensure that the DNS server settings are correctly configured on the SAP server.
  If necessary, add the hostname and IP address to the /etc/hosts file (for Unix/Linux) or the equivalent on Windows.
  
  
  
  Firewall Settings:
  
  Check if there are any firewall rules that might be blocking the connection to the hostname or the specific port used for the RFC connection.
  Ensure that the necessary ports are open for communication.
  
  
  
  SAP Notes and Documentation:
  
  Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: To manage and configure RFC destinations.
  SICF: To check and manage HTTP services, if applicable.
  
  
  
  Logs and Traces:
  
  Check the system logs (transaction SM21) and developer traces (transaction ST22) for any related error messages that might provide more context.
  
  
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance, providing them with detailed information about the error and the steps you have already taken.
  
  
  By following these steps, you should be able to identify and resolve the issue causing the /SMB/CUSTOMIZING067 error message.