How To Fix 00189 - The first three characters must not be part of the user name

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 189

• Message text: The first three characters must not be part of the user name

What causes this issue?

The first 3 characters of the password must not occur in this sequence
in the user ID. This is intended to prevent user IDs and passwords
being identical.

System Response

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

How to fix this error?

Choose another password.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 00189 - The first three characters must not be part of the user name ?

  The SAP error message "00189 - The first three characters must not be part of the user name" typically occurs when there is an issue with the user ID being created or modified in the SAP system. This error is related to the naming conventions and restrictions imposed by SAP for user IDs.
  Cause:
  The error arises when the first three characters of the user ID being entered match a predefined set of characters that are reserved or restricted by the SAP system. This is often due to the following reasons:
  
  The user ID starts with a prefix that is not allowed (e.g., certain system-reserved prefixes).
  The naming convention for user IDs is not being followed, which may include restrictions on the first few characters.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Change the User ID: Modify the user ID you are trying to create or change so that the first three characters do not match any restricted prefixes. Ensure that the new user ID adheres to the naming conventions set by your organization and SAP.
  
  
  Check Naming Conventions: Review the naming conventions for user IDs in your SAP system. This information can usually be found in the system documentation or by consulting with your SAP Basis administrator.
  
  
  Consult SAP Documentation: If you are unsure about the allowed prefixes or naming conventions, refer to the official SAP documentation or help resources for guidance.
  
  
  Contact SAP Support: If the issue persists or if you need further assistance, consider reaching out to SAP support or your internal IT support team for help.
  
  
  Related Information:
  
  User ID Naming Conventions: Different SAP systems may have different rules regarding user ID naming conventions. It's important to be aware of these rules to avoid similar errors in the future.
  SAP Basis Team: The SAP Basis team can provide insights into system configurations and restrictions that may affect user ID creation.
  Transaction Codes: You may encounter this error while using transaction codes like SU01 (User Maintenance) or SU10 (Mass User Maintenance).
  
  By following these steps and understanding the underlying cause of the error, you should be able to successfully create or modify user IDs in your SAP system without encountering this issue.