How To Fix TB570 - Logon client is protected against overwrite (T000)

SAP Error Message - Details

• Message type: E = Error

• Message class: TB - SM31 table maintenance messages

• Message number: 570

• Message text: Logon client is protected against overwrite (T000)

What causes this issue?

No adjustment is possible, as the logon client is protected against
overwriting with view/table comparison tool.
(see client table T000, transaction SCC4)

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?

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 TB570 - Logon client is protected against overwrite (T000) ?

  The SAP error message TB570 indicates that the logon client (in this case, T000) is protected against overwrite. This typically occurs when you attempt to perform an action that would modify or overwrite the client settings or data, but the client is configured to prevent such changes.
  Cause:
  
  Client Protection Settings: The client T000 is set to be protected against changes. This is a common setting for production clients to prevent accidental modifications.
  Authorization Issues: The user may not have the necessary authorizations to make changes to the client settings.
  Client Type: The client may be a production client, which is usually locked down to prevent changes.
  
  Solution:
  
  Check Client Settings: Verify the client settings in transaction SCC4. Ensure that the client is not set to "Modifiable" if you intend to make changes.
  Authorization Check: Ensure that the user has the necessary authorizations to perform the action. You may need to check the user's roles and authorizations in transaction SU01.
  Change Client Protection: If you need to make changes to the client, you can temporarily change the client settings in SCC4:
  
  Log in to a different client (e.g., a development or test client) where you have the necessary authorizations.
  Navigate to transaction SCC4.
  Select the client T000 and change the "Client Role" to a modifiable state (e.g., from "Production" to "Test").
  Make the necessary changes.
  After making changes, revert the client role back to "Production" to maintain protection.
  
  
  Consult Basis Team: If you are unsure about changing client settings or if you do not have the necessary authorizations, consult your SAP Basis team or system administrator for assistance.
  
  Related Information:
  
  Client Types: In SAP, clients can be categorized into different types (e.g., Development, Quality Assurance, Production). Each type has different levels of protection and modifiability.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SCC4 (Client Administration) and SU01 (User Maintenance) for managing clients and user authorizations.
  SAP Notes: Check SAP Notes for any specific guidance or updates related to client management and error messages.
  
  Always ensure that you have a backup and a clear understanding of the implications of changing client settings, especially in a production environment.