How To Fix 01645 - You are not authorized to assign user group &1 to roles

SAP Error Message - Details

• Message type: E = Error

• Message class: 01 -

• Message number: 645

• Message text: You are not authorized to assign user group &1 to roles

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 01645 - You are not authorized to assign user group &1 to roles ?

  The SAP error message "01645 You are not authorized to assign user group &1 to roles" typically indicates that the user attempting to assign a user group to roles does not have the necessary authorizations to perform this action. This error is related to the authorization checks in SAP, which are designed to ensure that only users with the appropriate permissions can make changes to user roles and groups.
  Cause:
  
  Insufficient Authorizations: The user lacks the necessary authorizations in their profile to assign the specified user group to roles.
  Role Configuration: The user group may be restricted in the role configuration, preventing certain users from assigning it.
  Profile Issues: The user's authorization profile may not include the necessary objects or permissions related to user management.
  
  Solution:
  
  
  Check User Authorizations:
  
  Review the user's authorization profile to ensure they have the necessary permissions to assign user groups to roles.
  The relevant authorization objects to check include:
  
  S_USER_AUTH (User Master Maintenance)
  S_USER_GRP (User Group Maintenance)
  S_USER_PRO (User Profile Maintenance)
  
  
  
  
  
  Role Assignment:
  
  If the user is supposed to have the authority, consider assigning them to a role that includes the necessary authorizations.
  If the user is not supposed to have this authority, ensure that the user is aware of the limitations.
  
  
  
  Consult with Security Team:
  
  If you are not able to resolve the issue, consult with your SAP security team or administrator. They can analyze the authorization logs and make necessary adjustments to the user's roles or profiles.
  
  
  
  Transaction Codes:
  
  Use transaction codes like SU01 (User Maintenance) to check user details and PFCG (Role Maintenance) to review role configurations.
  
  
  
  Testing:
  
  After making changes, test the authorization by attempting to assign the user group again to ensure the issue is resolved.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP documentation on authorization concepts and user management for more detailed information on how to manage user roles and authorizations.
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message.
  Audit Logs: Review audit logs to see if there are any additional details or patterns related to the authorization failures.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.