How To Fix BD009 - Server not known

SAP Error Message - Details

• Message type: E = Error

• Message class: BD - cross-application: data transfer

• Message number: 009

• Message text: Server not known

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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Smart SAP Assistant

• What is the cause and solution for SAP error message BD009 - Server not known ?

  The SAP error message BD009 ("Server not known") typically occurs in the context of SAP's Business Data Communication (BDC) or when dealing with distributed systems, particularly in scenarios involving ALE (Application Link Enabling) or IDocs (Intermediate Documents). This error indicates that the system is unable to identify or connect to the specified server.
  Causes of BD009 Error
  
  
  Incorrect Logical System Configuration: The logical system name may not be correctly defined in the SAP system. This can happen if the logical system is not created or if there are typos in the name.
  
  
  Missing RFC Destination: The Remote Function Call (RFC) destination for the target system may not be configured correctly or may be missing altogether.
  
  
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the specified server.
  
  
  Authorization Issues: The user may not have the necessary authorizations to access the specified server.
  
  
  Incorrect Partner Profile: The partner profile for the communication may not be set up correctly, leading to issues in identifying the server.
  
  
  Solutions to BD009 Error
  
  
  Check Logical System Configuration:
  
  Go to transaction SALE (ALE Configuration).
  Verify that the logical system is correctly defined and matches the name used in the configuration.
  
  
  
  Verify RFC Destination:
  
  Use transaction SM59 to check the RFC destination settings.
  Ensure that the destination is correctly configured and that the connection test is successful.
  
  
  
  Network Connectivity:
  
  Check network settings and ensure that the server is reachable from the SAP system.
  Use tools like ping or telnet to test connectivity to the server.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to access the target server.
  Check roles and profiles assigned to the user.
  
  
  
  Check Partner Profile:
  
  Go to transaction WE20 to review the partner profiles.
  Ensure that the partner profile is correctly set up for the logical system and that the necessary settings for IDocs or ALE are in place.
  
  
  
  Check System Logs:
  
  Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  WE20: Partner Profiles
  SALE: ALE Configuration
  SM21: System Log
  
  
  
  Documentation: Refer to SAP Help documentation for more details on configuring ALE and IDocs, as well as troubleshooting connectivity issues.
  
  
  SAP Notes: Check for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the BD009 error.
  
  
  By following these steps, you should be able to identify and resolve the cause of the BD009 error in your SAP system.