How To Fix XT149 - Error occurred in &1 TMS communication

SAP Error Message - Details

• Message type: E = Error

• Message class: XT - Transport Management System

• Message number: 149

• Message text: Error occurred in &1 TMS communication

What causes this issue?

An error occurred in the TMS communication layer of the following SAP
system:
System: <LS>&V2&</>
Function: <LS>&V3&</>
Error: <LS>&V4&</>

System Response

The function terminates.

How to fix this error?

Check your transport control station configuration with transaction
STMS.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message XT149 - Error occurred in &1 TMS communication ?

  The SAP error message XT149, which states "Error occurred in &1 TMS communication," typically indicates a problem with the Transport Management System (TMS) communication between systems in a transport landscape. This error can arise due to various reasons, including configuration issues, network problems, or authorization issues.
  Causes:
  
  Configuration Issues: Incorrect TMS configuration settings can lead to communication errors. This includes issues with transport routes, transport layers, or system roles.
  Network Problems: Network connectivity issues between the systems can prevent successful communication.
  Authorization Issues: The user or system may not have the necessary authorizations to perform TMS operations.
  System Status: The target system may be down or not properly registered in the TMS.
  Transport Directory Issues: Problems with the transport directory or transport files can also lead to communication errors.
  
  Solutions:
  
  
  Check TMS Configuration:
  
  Go to the TMS configuration (transaction STMS) and verify that all systems are correctly configured.
  Ensure that the transport routes and layers are set up properly.
  
  
  
  Verify Network Connectivity:
  
  Check the network connection between the systems involved. Ensure that there are no firewall rules or network issues blocking communication.
  
  
  
  Review Authorizations:
  
  Ensure that the user performing the transport has the necessary authorizations. Check the roles and profiles assigned to the user.
  
  
  
  Check System Status:
  
  Ensure that the target system is up and running. You can check the system status in the TMS configuration.
  
  
  
  Transport Directory:
  
  Verify that the transport directory is correctly set up and that there are no issues with the transport files. You can check the transport directory path in the TMS configuration.
  
  
  
  Restart TMS:
  
  Sometimes, restarting the TMS can resolve temporary communication issues. You can do this by using transaction STMS and selecting the option to restart.
  
  
  
  Check Logs:
  
  Review the transport logs for more detailed error messages. You can find logs in transaction STMS under the "Transport Logs" section.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  STMS: Transport Management System
  SE01: Transport Organizer
  SE09: Workbench Organizer
  SE10: Customizing Organizer
  
  
  
  SAP Documentation: Refer to the official SAP Help Portal for detailed documentation on TMS and transport management.
  
  
  SAP Community: Engage with the SAP Community forums for discussions and solutions related to TMS issues.
  
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.