How To Fix T6402 - Automatic transport connection is not active; no transport possible

SAP Error Message - Details

• Message type: E = Error

• Message class: T6 - Treasury: Customizing messages

• Message number: 402

• Message text: Automatic transport connection is not active; no transport possible

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message T6402 - Automatic transport connection is not active; no transport possible ?

  The SAP error message T6402 indicates that the automatic transport connection is not active, which means that the system is unable to perform transport operations. This can occur in various scenarios, such as when trying to transport changes between different SAP systems (e.g., from a development system to a quality assurance or production system).
  Cause:
  
  Transport Connection Not Configured: The transport route between the systems may not be properly configured in the Transport Management System (TMS).
  Transport Directory Issues: There may be issues with the transport directory or the transport layer.
  Transport Profile Issues: The transport profile may not be set up correctly, or the transport layer may not be assigned to the correct systems.
  Authorization Issues: The user may not have the necessary authorizations to perform transport operations.
  System Status: The target system may be in a state that does not allow transports (e.g., it is not available or is in maintenance mode).
  
  Solution:
  
  
  Check Transport Configuration:
  
  Go to transaction STMS and check the transport routes. Ensure that the connection between the systems is correctly configured.
  Verify that the transport layer is correctly assigned to the systems involved.
  
  
  
  Activate Transport Connection:
  
  If the transport connection is inactive, you may need to activate it. This can be done in the TMS configuration.
  Use transaction STMS -> Overview -> Transport Routes to check the status and activate the connection if necessary.
  
  
  
  Check Transport Directory:
  
  Ensure that the transport directory is correctly set up and accessible. You can check the transport directory settings in transaction SE03 (Transport Organizer Tools).
  
  
  
  Review Authorizations:
  
  Ensure that the user performing the transport has the necessary authorizations. Check the roles and profiles assigned to the user.
  
  
  
  System Status:
  
  Check the status of the target system. Ensure that it is up and running and not in a maintenance mode that would prevent transports.
  
  
  
  Consult SAP Notes:
  
  If the issue persists, consult relevant SAP Notes for any known issues or additional troubleshooting steps. You can search for notes related to transport issues in the SAP Support Portal.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  STMS: Transport Management System
  SE03: Transport Organizer Tools
  SE09/SE10: Transport Requests
  
  
  Transport Management System (TMS): A tool used to manage the transport of objects between SAP systems.
  Transport Directory: The directory where transport files are stored, typically located in the file system of the SAP application server.
  
  By following these steps, you should be able to resolve the T6402 error and enable transport operations between your SAP systems.