How To Fix XT026 - Required TMS service not yet available in system &1

SAP Error Message - Details

• Message type: E = Error

• Message class: XT - Transport Management System

• Message number: 026

• Message text: Required TMS service not yet available in system &1

What causes this issue?

The TMS version in the SAP system &V1& of the transport domain &V2& is
&V3&. The required TMS service is only available from version &V4&.

System Response

The function terminates.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message XT026 - Required TMS service not yet available in system &1 ?

  The SAP error message XT026 "Required TMS service not yet available in system &1" typically occurs in the context of the Transport Management System (TMS) when there is an issue with the configuration or availability of TMS services in the SAP system. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  TMS Configuration Issues: The TMS may not be properly configured in the SAP system. This can happen if the TMS configuration was not completed or if there are inconsistencies in the transport routes.
  Missing Transport Directory: The transport directory may not be set up correctly, or the transport directory may not be accessible.
  System Not Registered: The system may not be registered in the TMS landscape, or there may be issues with the transport domain controller.
  Network Issues: There could be network connectivity issues between the systems in the transport landscape.
  Authorization Issues: The user may not have the necessary authorizations to access TMS services.
  
  Solution:
  
  
  Check TMS Configuration:
  
  Go to transaction STMS and check the TMS configuration.
  Ensure that all systems are correctly registered and that the transport routes are properly defined.
  
  
  
  Transport Directory:
  
  Verify that the transport directory is correctly set up and accessible. You can check the transport directory path in the system profile parameters.
  
  
  
  Register the System:
  
  If the system is not registered, you may need to register it in the TMS landscape. This can be done through the TMS configuration in transaction STMS.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no network issues preventing communication between the systems in the transport landscape.
  
  
  
  User Authorizations:
  
  Check the user authorizations to ensure that the user has the necessary permissions to access TMS services.
  
  
  
  Restart TMS Services:
  
  Sometimes, restarting the TMS services can resolve temporary issues. This can be done through transaction STMS or by restarting the SAP instance.
  
  
  
  Check SAP Notes:
  
  Look for any relevant SAP Notes that may address this specific error message. SAP frequently releases updates and patches that may resolve known issues.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  STMS: Transport Management System
  ST22: Dump Analysis (to check for any related dumps)
  SM21: System Log (to check for any related log entries)
  
  
  
  Documentation: Refer to the official SAP documentation for TMS configuration and troubleshooting.
  
  
  SAP Community: Engage with the SAP Community forums for additional insights and solutions from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to diagnose and resolve the XT026 error in your SAP system. If the issue persists, consider reaching out to SAP support for further assistance.