How To Fix UW021 - Use & is not a user for client &

SAP Error Message - Details

• Message type: E = Error

• Message class: UW - CO Authorization Toolbox

• Message number: 021

• Message text: Use & is not a user for client &

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UW021 - Use & is not a user for client & ?

  The SAP error message "UW021 Use & is not a user for client &" typically indicates that the user ID you are trying to use is not recognized in the specified client. This can happen for several reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  User Not Created: The user ID has not been created in the specified client.
  Client-Specific User: The user exists in another client but not in the one you are trying to access.
  User Lock: The user might be locked or inactive in the specified client.
  Authorization Issues: The user may not have the necessary authorizations to access the client.
  Incorrect Client: The client number you are trying to log into may be incorrect.
  
  Solutions:
  
  
  Check User Existence:
  
  Use transaction code SU01 to check if the user exists in the specified client.
  If the user does not exist, you will need to create it.
  
  
  
  Create User:
  
  If the user does not exist, create the user in the correct client using transaction SU01.
  Ensure that you assign the necessary roles and authorizations.
  
  
  
  Unlock User:
  
  If the user exists but is locked, you can unlock it using transaction SU01 by selecting the user and choosing the unlock option.
  
  
  
  Check Client:
  
  Verify that you are logging into the correct client. You can check the client number in the SAP logon screen.
  
  
  
  User Roles and Authorizations:
  
  Ensure that the user has the necessary roles and authorizations to access the client. You can check this in transaction PFCG.
  
  
  
  Transport Issues:
  
  If the user was recently created or modified in a different environment (like development), ensure that the changes have been transported to the target client.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SU01: User Maintenance
  PFCG: Role Maintenance
  SU10: Mass User Maintenance (for bulk changes)
  
  
  
  Client Concept: In SAP, clients are separate environments that can have different sets of data and users. Each client can have its own user base, and users must be created in each client where they need access.
  
  
  User Management: Proper user management is crucial for security and access control in SAP systems. Regular audits of user access and roles can help prevent issues like this.
  
  
  If you continue to experience issues after checking these points, it may be helpful to consult with your SAP Basis team or system administrator for further assistance.