/BDL/D-402 - Connection error - check RFC-Destination

SAP Error Message - Details

• Message type: E = Error

• Message class: /BDL/D- -

• Message number: 402

• Message text: Connection error - check RFC-Destination

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.

Unfortunately, there isn't any extra information in this error notice.

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AnswerBot

• What is the cause and solution for SAP error message /BDL/D-402 - Connection error - check RFC-Destination ?

  The SAP error message /BDL/D-402 Connection error - check RFC-Destination typically indicates that there is an issue with the Remote Function Call (RFC) connection to a specified destination. This error can occur in various scenarios, such as when trying to execute a remote function module or when accessing a system that relies on RFC connections.
  Causes:
  
  Incorrect RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system.
  Network Issues: There may be network connectivity issues between the SAP systems.
  Authorization Issues: The user may not have the necessary authorizations to access the RFC destination.
  System Availability: The target system may be down or not reachable.
  Firewall Restrictions: Firewalls may be blocking the connection to the target system.
  Incorrect Credentials: The username or password used for the RFC connection may be incorrect.
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the relevant RFC destination and check its configuration settings (e.g., target host, system number, client, user, and password).
  Test the connection using the "Connection Test" button.
  
  
  
  Verify Network Connectivity:
  
  Ensure that the network connection between the SAP systems is stable and operational.
  Use tools like ping or traceroute to check connectivity to the target system.
  
  
  
  Check User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to access the target system.
  
  
  
  Check System Availability:
  
  Verify that the target SAP system is up and running. You can check this by logging into the target system directly.
  
  
  
  Review Firewall Settings:
  
  Ensure that any firewalls between the systems allow traffic on the required ports for SAP communication (typically port 3200 for SAP).
  
  
  
  Validate Credentials:
  
  Double-check the username and password configured in the RFC destination. If necessary, reset the password in the target system.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  ST22: Dump Analysis (to check for any related dumps)
  SM21: System Log (to check for any relevant log entries)
  
  
  
  SAP Notes: Check SAP Notes related to RFC issues for any known bugs or additional troubleshooting steps.
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring and troubleshooting RFC connections.
  
  
  By following these steps, you should be able to identify and resolve the cause of the /BDL/D-402 Connection error - check RFC-Destination error message.