How To Fix XT028 - User &1 could not be checked in system &2

XT028 - Overview

• Message type: E = Error

• Message class: XT - Transport Management System

• Message number: 028

• Message text: User &1 could not be checked in system &2

What causes this issue?

The Change and Transport System attempted to check that the user &V1&
exists in system &V2&. To do this, it uses the function module
SUSR_RFC_USER_INTERFACE. An error occurred when doing this:
User: &V1&
User type: &V3&
Exception: &V4&
Meaning of the user types:
A Dialog
D BDC
B Background
C CPIC
Meaning of the exceptions:
1 user_dont_exist
2 user_already_exists
3 not_authorized
4 username_required
5 bad_method
6 password_required
7 usergroup_dont_exist
8 bad_time_rage
9 bad_usertype
10 update_error
99 others
These exceptions are explained in the documentation on the function
modules SUSR_RFC_USER_INTERFACE.

System Response

The function terminates.

How to fix this error?

Remove the cause of the error and execute the command again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message XT028 - User &1 could not be checked in system &2 ?

  The SAP error message XT028 indicates that a user (identified as &1) could not be checked in the specified system (identified as &2). This error typically arises in scenarios involving user authorizations, system connections, or user management.
  Causes:
  
  User Not Defined: The user specified does not exist in the target system.
  Authorization Issues: The user may not have the necessary authorizations to be checked in the specified system.
  System Connection Problems: There may be issues with the connection between the systems, such as network problems or configuration errors.
  User Lock: The user might be locked in the target system, preventing any checks or actions.
  Incorrect System ID: The system ID specified may be incorrect or not properly configured in the landscape.
  
  Solutions:
  
  Verify User Existence: Check if the user exists in the target system. You can do this by logging into the target system and using transaction code SU01 to search for the user.
  Check Authorizations: Ensure that the