How To Fix RSEC423 - Unable to assign profile &1 to user &2 (reason: &3)

RSEC423 - Overview

• Message type: E = Error

• Message class: RSEC -

• Message number: 423

• Message text: Unable to assign profile &1 to user &2 (reason: &3)

What causes this issue?

This message generally indicates that the user executing the migration
is not authorized to assign profiles to the user specified in the
message. It is also possible that the user cannot be changed for other
reasons (due to central user administration (CUA), for example).

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

System Response

How to fix this error?

Ensure that you are assigned sufficient authorization for user and role
maintenance and that the system settings do not prevent changes from
being made to users.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

RSEC423 - Details

• The SAP error message RSEC423 indicates that there is an issue with assigning a specific authorization profile to a user. The message typically includes three placeholders: 
  
  &1: The name of the authorization profile that is being assigned.
  &2: The user ID of the user to whom the profile is being assigned.
  &3: The reason for the failure in the assignment.
  
  Causes
  The error can occur due to several reasons, including:
  
  Profile Does Not Exist: The specified authorization profile does not exist in the system.
  User Does Not Exist: The user ID specified does not exist in the system.
  Insufficient Authorizations: The user attempting to assign the profile does not have the necessary authorizations to perform this action.
  Profile Restrictions: The profile may have restrictions that prevent it from being assigned to certain users (e.g., based on user roles or organizational levels).
  Technical Issues: There may be technical issues or inconsistencies in the user master data or authorization data.
  
  Solutions
  To resolve