How To Fix BC205 - Internal user name conversion error

SAP Error Message - Details

• Message type: E = Error

• Message class: BC - Scheduler (calendar)

• Message number: 205

• Message text: Internal user name conversion error

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 BC205 - Internal user name conversion error ?

  The SAP error message BC205, which indicates an "Internal user name conversion error," typically arises during user authentication or when the system is trying to convert a user name from one format to another. This can occur in various scenarios, such as during logon attempts, user creation, or when accessing certain transactions.
  Causes:
  
  Invalid User Name Format: The user name may not conform to the expected format or length.
  Database Issues: There may be inconsistencies or corruption in the user master data in the database.
  System Configuration: Incorrect settings in the system configuration related to user management or authentication methods.
  Language or Character Set Issues: Problems with character encoding, especially if the user name contains special characters or is in a different language.
  User Master Record Issues: The user master record may be incomplete or corrupted.
  
  Solutions:
  
  Check User Name Format: Ensure that the user name adheres to the naming conventions and length restrictions defined in your SAP system.
  Review User Master Data: Use transaction codes like SU01 (User Maintenance) to check the user master record for any inconsistencies or missing information.
  Database Consistency Check: Perform a consistency check on the user master data. This can be done using transaction codes like SU10 (Mass User Maintenance) or SE11 (Data Dictionary) to analyze the user tables.
  System Configuration Review: Check the system settings related to user management and authentication. This includes reviewing profiles and authorizations.
  Character Set Configuration: Ensure that the character set and language settings are correctly configured in the SAP system. This is particularly important if users are using special characters in their names.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve known issues.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SU01, SU10, and SUIM for user management and reporting.
  SAP Notes: Regularly check for SAP Notes related to user management and authentication issues.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  User Documentation: Refer to SAP documentation for guidelines on user management and best practices.
  
  By following these steps, you should be able to diagnose and resolve the BC205 error in your SAP system.