How To Fix 29839 - No application server has been selected

SAP Error Message - Details

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 839

• Message text: No application server has been selected

What causes this issue?

You want to copy BOM data from a sequential file to your SAP System.
The sequential file can be stored on an application server, the
presentation server, or an external application server. If the
sequential file is to be read from an external application server, you
need to enter the name of the server.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Make an entry in the Server name field. You can display possible
entries to help you.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 29839 - No application server has been selected ?

  The SAP error message "29839 No application server has been selected" typically indicates that the SAP GUI (Graphical User Interface) is unable to connect to an application server. This can happen for several reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  Network Issues: There may be network connectivity problems between the client and the SAP application server.
  Server Configuration: The application server may not be configured correctly or may be down.
  SAP GUI Configuration: The SAP GUI may not be configured to connect to any application server.
  Load Balancing Issues: If using a load balancer, it may not be directing traffic to an available application server.
  Incorrect Logon Information: The logon credentials or parameters may be incorrect, leading to the inability to select an application server.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Ensure that your network connection is stable and that you can reach the SAP application server. You can use tools like ping or tracert to test connectivity.
  
  
  
  Verify Application Server Status:
  
  Check if the application server is up and running. You can do this by accessing the SAP Management Console (SAP MMC) or contacting your system administrator.
  
  
  
  Review SAP GUI Configuration:
  
  Open the SAP GUI and check the configuration settings. Ensure that the application server is listed in the connection settings. You can add the server manually if it is missing.
  
  
  
  Check Load Balancer Settings:
  
  If your environment uses a load balancer, ensure that it is configured correctly and that it is directing requests to available application servers.
  
  
  
  Logon Information:
  
  Double-check the logon credentials (client, user, password, and language) to ensure they are correct.
  
  
  
  SAP Router String:
  
  If you are using a SAP router string, ensure that it is correctly configured and that the router is operational.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error. SAP Notes can provide patches or additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance.
  System Logs: Review system logs (transaction SM21) for any related error messages that could provide more context.
  Transaction Codes: Use transaction codes like SM51 (to view active application servers) and SM04 (to see user sessions) for additional insights.
  
  By following these steps, you should be able to diagnose and resolve the "29839 No application server has been selected" error in SAP.