How To Fix ATO_CUSTOMER128 - ATO was set up with tenant role &1. Role cannot be changed to &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: ATO_CUSTOMER - ATO Messages for the End User

• Message number: 128

• Message text: ATO was set up with tenant role &1. Role cannot be changed to &2.

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 ATO_CUSTOMER128 - ATO was set up with tenant role &1. Role cannot be changed to &2. ?

  The SAP error message ATO_CUSTOMER128 indicates that there is an issue with the configuration of the tenant role in the SAP system. Specifically, it suggests that the ATO (Advanced Transport Organizer) was set up with a specific tenant role, and an attempt is being made to change it to a different role, which is not allowed.
  Cause:
  
  Role Configuration: The ATO was initially configured with a specific tenant role (denoted as &1 in the error message). The system does not allow changing this role to another one (denoted as &2) due to restrictions in the configuration.
  System Restrictions: Certain roles may have specific dependencies or restrictions that prevent them from being changed once they are set up.
  Authorization Issues: The user attempting to make the change may not have the necessary authorizations to modify the tenant role.
  
  Solution:
  
  Review Tenant Role Configuration: Check the current configuration of the ATO and the roles assigned. Ensure that the role you are trying to change to is compatible with the existing setup.
  Consult Documentation: Refer to SAP documentation or configuration guides related to ATO and tenant roles to understand the implications of changing roles.
  Use Correct Role: If you need to change the role, you may need to first remove the existing ATO configuration and then set it up again with the desired tenant role.
  Authorization Check: Ensure that the user has the necessary authorizations to make changes to the ATO configuration. If not, consult with your SAP security team to obtain the required permissions.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on ATO configuration.
  Transaction Codes: Familiarize yourself with transaction codes related to ATO and tenant role management, such as SCC4 for client management and SCC1 for client copy.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to diagnose and resolve the ATO_CUSTOMER128 error in your SAP system.