How To Fix LX839 - No application server was selected

LX839 - Overview

• Message type: E = Error

• Message class: LX - SAPDXfer: Central Tools - Initial Data Transfer

• Message number: 839

• Message text: No application server was selected

What causes this issue?

You want to transfer the BOM data from a sequential file into the SAP
System. The sequential file may be held on an application server, the
presentation server or on a non-SAP application server. If the
sequential file is to be imported by a non-SAP application server, you
must specify the server name.

How to fix this error?

Enter a name in the 'Server name' field. You can use the input help
(F4).

Error message extract from SAP system. Copyright SAP SE.

LX839 - Details

• The SAP error message LX839, which states "No application server was selected," typically occurs when the system is unable to find a suitable application server to process the request. This can happen for various reasons, and understanding the cause is essential for troubleshooting the issue.
  Causes:
  
  Network Issues: There may be network connectivity problems between the client and the SAP application servers.
  Server Configuration: The application servers may not be properly configured or may be down.
  Load Balancer Issues: If a load balancer is used, it may not be directing traffic correctly to the available application servers.
  SAP Instance Down: The specific SAP instance you are trying to connect to may be down or not running.
  Client Configuration: The client configuration in the SAP GUI may not be set up correctly, leading to an inability to connect to any application server.
  Authorization Issues: There may be authorization issues preventing the selection of an application server.
  
  Solutions:
  
  Check Network Connectivity: