How To Fix 2Q013 - Domain link to domain &1; controller &2 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: 2Q - TMS Service Message Class

• Message number: 013

• Message text: Domain link to domain &1; controller &2 already exists

What causes this issue?

You tried to create a domain link to domain &V1&. The specified
controller &V2& is already known as the controller of another domain.
Normally a domain link already exists in this case.

System Response

The connection data for the entry to the domain link is rejected.

How to fix this error?

Check and correct the connection data.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 2Q013 - Domain link to domain &1; controller &2 already exists ?

  The SAP error message 2Q013 indicates that there is an attempt to create a domain link to a domain that already has an existing link to the specified controller. This typically occurs in the context of SAP's system landscape management, particularly when dealing with domain controllers and domain links in a distributed system environment.
  Cause:
  The error is caused by the following scenarios:
  
  Duplicate Domain Link: You are trying to create a domain link that already exists between the specified domain and controller.
  Configuration Error: There may be a misconfiguration in the system landscape where the same domain link is being defined multiple times.
  System Replication: In cases of system replication or landscape changes, the system might be trying to establish a link that is already present.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Existing Links:
  
  Use transaction codes like SICF or SMD to check the existing domain links and verify if the link you are trying to create already exists.
  You can also check the configuration in the SAP Landscape Management (LaMa) tool if you are using it.
  
  
  
  Remove Duplicate Links:
  
  If you find that the link already exists and is not needed, you can remove the duplicate link using the appropriate transaction or configuration tool.
  Ensure that you have the necessary authorizations to make changes to the domain links.
  
  
  
  Review Configuration:
  
  Review the configuration settings for the domain and controller to ensure that there are no conflicting entries.
  Make sure that the domain and controller settings are correctly defined in the system.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to domain management and links for any specific guidelines or troubleshooting steps.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant configuration information.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SICF, SMD, or SCC4 for managing system landscape configurations.
  SAP Notes: Check for any SAP Notes that might address this specific error or provide additional troubleshooting steps.
  System Landscape Management: Understanding the principles of SAP's system landscape management can help in preventing such issues in the future.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.