How To Fix MPE_CER_MSGS012 - Invalid user ID; enter valid user ID.

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_CER_MSGS - Certificate Messages

• Message number: 012

• Message text: Invalid user ID; enter valid user ID.

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 MPE_CER_MSGS012 - Invalid user ID; enter valid user ID. ?

  The SAP error message MPE_CER_MSGS012 indicates that the user ID entered is invalid. This error typically occurs in scenarios where user authentication is required, such as during login attempts or when accessing certain functionalities that require user identification.
  Causes:
  
  Incorrect User ID: The user ID entered may be misspelled or incorrectly formatted.
  Inactive User Account: The user account may be inactive or locked due to multiple failed login attempts.
  User ID Not Created: The user ID may not exist in the SAP system.
  Authorization Issues: The user may not have the necessary authorizations to access the requested functionality.
  System Configuration: There may be issues with the system configuration or user management settings.
  
  Solutions:
  
  Verify User ID: Double-check the user ID for any typos or incorrect characters. Ensure that it matches the format required by the system.
  Check User Status: If you have access, check the status of the user account in the user management section (transaction code SU01). Ensure that the account is active and not locked.
  Create User ID: If the user ID does not exist, you may need to create it using transaction code SU01, provided you have the necessary permissions.
  Reset Password: If the user ID is valid but the user cannot log in, consider resetting the password to ensure it is correct.
  Review Authorizations: Ensure that the user has the necessary authorizations to perform the actions they are attempting. This can be checked in the user profile.
  Consult with Administrator: If you are unable to resolve the issue, contact your SAP system administrator or support team for assistance.
  
  Related Information:
  
  Transaction Codes: 
  
  SU01: User Maintenance
  SU10: Mass User Maintenance
  SUIM: User Information System
  
  
  SAP Notes: Check SAP Notes for any known issues related to user management and authentication.
  Documentation: Refer to SAP Help documentation for user management and security settings.
  
  If the problem persists after trying the above solutions, it may be necessary to escalate the issue to your IT support team or SAP support for further investigation.