How To Fix XT003 - Could not determine list of active SAP servers

XT003 - Overview

• Message type: E = Error

• Message class: XT - Transport Management System

• Message number: 003

• Message text: Could not determine list of active SAP servers

What causes this issue?

An error occurred when the list of active SAP servers was accessed. The
message server may not be correctly installed.

System Response

Processing was terminated.

How to fix this error?

Make sure that your SAP system is correctly installed. You must be able
to display the list of SAP servers using transaction SM51.
Then repeat the configuration of the Transport Management System.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message XT003 - Could not determine list of active SAP servers ?

  The SAP error message XT003, which states "Could not determine list of active SAP servers," typically indicates an issue with the SAP system's ability to identify or connect to the active application servers in the SAP landscape. This can occur in various scenarios, such as when trying to log in to the SAP system or when executing certain transactions.
  Causes:
  
  Network Issues: Problems with the network connection between the client and the SAP application servers can prevent the system from retrieving the list of active servers.
  SAP Router Configuration: If the SAP router is not configured correctly, it may block access to the application servers.
  Instance Availability: If all application servers are down or not responding, the system will not be able to determine the list of active servers.
  Profile Parameters: Incorrect settings in the instance profile parameters (like rdisp/mshost or rdisp/mshost) can lead to this error.
  Load Balancer Issues: If a load balancer is used