How To Fix 2Q021 - Domain link to controller &2 of domain &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: 2Q - TMS Service Message Class

• Message number: 021

• Message text: Domain link to controller &2 of domain &1 does not exist

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 2Q021 - Domain link to controller &2 of domain &1 does not exist ?

  The SAP error message 2Q021 indicates that there is an issue with a domain link to a controller in the SAP system. Specifically, it states that the domain link to the controller and the specified domain does not exist. This error typically arises in the context of SAP's process control or data management systems, where domains and controllers are used to manage data flows and processes.
  Cause:
  
  Missing Domain Link: The specified domain link to the controller may not have been created or may have been deleted.
  Incorrect Configuration: There may be a misconfiguration in the system where the domain or controller is not properly defined.
  Transport Issues: If the configuration was transported from another system, the transport may not have included the necessary domain link.
  System Changes: Changes in the system, such as upgrades or modifications, may have led to the loss of the domain link.
  
  Solution:
  
  
  Check Domain and Controller Configuration:
  
  Verify that the domain and controller are correctly defined in the system.
  Ensure that the domain link exists and is properly configured.
  
  
  
  Create or Recreate Domain Link:
  
  If the domain link is missing, you may need to create it again. This can typically be done through the relevant configuration transaction in SAP (e.g., using transaction codes like SPRO for configuration).
  
  
  
  Review Transport Requests:
  
  If the issue arose after a transport, check the transport request to ensure that all necessary objects were included.
  If needed, re-transport the missing objects.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific module you are working with to understand the expected configuration and any prerequisites.
  
  
  
  Check for System Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as some issues may be resolved in newer versions.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for domain and controller management, such as SPRO for configuration settings.
  SAP Notes: Search for SAP Notes related to error message 2Q021 in the SAP Support Portal for any specific fixes or recommendations.
  Documentation: Review the SAP Help Portal for detailed information on domains, controllers, and their configurations.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.