How To Fix SOAUTH2006 - User &1 cannot be used

SAP Error Message - Details

• Message type: E = Error

• Message class: SOAUTH2 - OAuth2 Messages

• Message number: 006

• Message text: User &1 cannot be used

What causes this issue?

This user cannot be used.
The user does either not exist or has a type different from SYSTEM.

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 a valid user using the F4-Help.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SOAUTH2006 - User &1 cannot be used ?

  The SAP error message SOAUTH2006 indicates that a specific user (denoted by &1) cannot be used for authentication or authorization purposes. This error typically arises in the context of SAP's security and user management systems, particularly when dealing with user roles, authorizations, or when integrating with external systems.
  Causes:
  
  User Locking: The user account may be locked due to multiple failed login attempts or administrative actions.
  User Deactivation: The user might be deactivated or not assigned to the necessary roles or profiles.
  Missing Authorizations: The user may lack the required authorizations to perform the action they are attempting.
  Invalid User Type: The user type may not be appropriate for the action being performed (e.g., a dialog user trying to perform a background job).
  Profile Issues: The user may not have the correct profiles assigned that are necessary for the operation.
  System Configuration: There may be configuration issues in the system that prevent the user from being recognized properly.
  
  Solutions:
  
  Unlock the User: If the user is locked, an administrator can unlock the account using transaction code SU01.
  Activate the User: Ensure that the user is active and not marked for deletion. This can also be checked in transaction SU01.
  Assign Roles/Profiles: Verify that the user has the necessary roles and profiles assigned. This can be done in transaction PFCG (Profile Generator).
  Check Authorizations: Use transaction SU53 to analyze the authorization check after the error occurs. This will help identify missing authorizations.
  Review User Type: Ensure that the user type is appropriate for the actions they are trying to perform.
  Consult System Logs: Check system logs (transaction SM21) for any additional error messages or warnings that might provide more context.
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes:
  
  SU01: User Maintenance
  PFCG: Role Maintenance
  SU53: Authorization Check
  SM21: System Log
  
  
  User Management Best Practices: Regularly review user roles and authorizations to ensure compliance and security.
  Documentation: Refer to SAP Help Portal for detailed documentation on user management and authorization concepts.
  
  By following these steps, you should be able to diagnose and resolve the SOAUTH2006 error effectively.