How To Fix 0T005 - Choose another system name, &1 is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: 0T - WBO Configuration Editor / SE06

• Message number: 005

• Message text: Choose another system name, &1 is invalid

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 0T005 - Choose another system name, &1 is invalid ?

  The SAP error message "0T005 Choose another system name, &1 is invalid" typically occurs when there is an issue with the system name being used in a configuration or setup process. This error is related to the system's configuration in the SAP landscape, particularly in the context of system connections or when defining system parameters.
  Cause:
  
  Invalid System Name: The system name provided does not conform to the naming conventions or is not recognized by the SAP system.
  System Configuration Issues: The system may not be properly configured in the SAP landscape, leading to the inability to recognize the specified system name.
  Typographical Errors: There may be a typo in the system name entered, causing it to be invalid.
  System Decommissioned: The system name might refer to a system that has been decommissioned or is no longer active in the landscape.
  
  Solution:
  
  Check System Name: Verify the system name you are trying to use. Ensure it adheres to the naming conventions (usually a 3-character or 4-character identifier).
  Review Configuration: Check the configuration settings in transaction codes like SICF, SM59, or RZ10 to ensure that the system is correctly defined and active.
  Correct Typographical Errors: Double-check for any typos in the system name and correct them.
  Consult System Administrator: If you are unsure about the validity of the system name, consult with your SAP Basis or system administrator to confirm the correct system names in your landscape.
  Update System Landscape: If the system has been decommissioned, you may need to update your configuration to remove references to the invalid system name.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error message.
  Documentation: Refer to SAP documentation for guidelines on system naming conventions and configuration.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SICF (Service Hierarchy), SM59 (RFC Destinations), and RZ10 (Profile Maintenance) for managing system configurations.
  
  If the issue persists after following these steps, it may be beneficial to engage SAP support for further assistance.