How To Fix TA477 - Customizing import not permitted in locked logon client

SAP Error Message - Details

• Message type: E = Error

• Message class: TA - Extended table maintenance (eval., Customizing, client copy)

• Message number: 477

• Message text: Customizing import not permitted in locked logon 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TA477 - Customizing import not permitted in locked logon client ?

  The SAP error message TA477, which states "Customizing import not permitted in locked logon client," typically occurs when you attempt to import customizing settings into a client that is locked for changes. This is a common scenario in SAP systems where certain clients are designated as "production" or "locked" to prevent unauthorized changes.
  Cause:
  
  Client Lock: The client you are trying to import into is locked for changes. This is often done in production environments to ensure stability and prevent accidental modifications.
  Transport Request: The transport request you are trying to import may contain customizing changes that are not allowed in a locked client.
  Client Settings: The client settings may be configured to restrict certain operations, including importing customizing changes.
  
  Solution:
  To resolve the TA477 error, you can take the following steps:
  
  
  Unlock the Client:
  
  If you have the necessary authorizations, you can unlock the client temporarily to allow the import. This can be done using transaction code SCC4.
  Change the client settings from "Modifiable" to "Not Modifiable" or vice versa, depending on your needs.
  
  
  
  Use a Different Client:
  
  If you cannot unlock the client, consider importing the transport request into a different client that is not locked (e.g., a development or quality assurance client).
  
  
  
  Check Transport Request:
  
  Ensure that the transport request you are trying to import is appropriate for the target client. If it contains changes that should not be imported into a locked client, you may need to create a new transport request or modify the existing one.
  
  
  
  Consult with Basis Team:
  
  If you are unsure about unlocking the client or the implications of doing so, consult with your SAP Basis team or system administrator. They can provide guidance based on your organization's policies and practices.
  
  
  
  Related Information:
  
  Client Administration: Understanding client administration in SAP is crucial. Clients can be configured for different purposes (development, testing, production), and each has its own set of rules regarding changes.
  Transport Management System (TMS): Familiarize yourself with the TMS, which manages the transport of objects between different SAP systems and clients.
  SAP Notes: Check SAP Notes for any specific guidance or updates related to the TA477 error. SAP frequently updates its documentation and may provide additional insights or solutions.
  
  By following these steps, you should be able to resolve the TA477 error and successfully import your customizing settings.