How To Fix TB569 - Comparison client is protected against external availability (T000)

SAP Error Message - Details

• Message type: E = Error

• Message class: TB - SM31 table maintenance messages

• Message number: 569

• Message text: Comparison client is protected against external availability (T000)

What causes this issue?

No comparison is possible, since the comparison client is protected
against external access with respect to the view/table comparison tool.
(see client table T000, transaction SCC4).

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?

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 TB569 - Comparison client is protected against external availability (T000) ?

  The SAP error message TB569 indicates that the comparison client (in this case, the client with the client number T000) is protected against external availability. This typically means that the client is set to a status that prevents it from being accessed or modified from outside the system, often for security or integrity reasons.
  Cause:
  
  Client Settings: The client T000 is usually the default client in an SAP system and is often configured to be protected against external access to maintain system integrity.
  Client Type: The client may be set as a "production" client or a "reference" client, which restricts certain operations to prevent unauthorized changes.
  Transport Layer Settings: The transport layer settings may also restrict the availability of the client for certain operations.
  
  Solution:
  To resolve this issue, you can take the following steps:
  
  
  Check Client Settings:
  
  Log in to the SAP system with a user that has the necessary authorizations.
  Go to transaction code SCC4 to check the settings of the client T000.
  Ensure that the client is not set to "Production" or "Reference" if you need to perform operations that require external availability.
  
  
  
  Change Client Type:
  
  If the client is set to a type that restricts access, you may need to change it to a type that allows the required operations. However, be cautious with this step, as changing the client type can have implications for system integrity and security.
  
  
  
  Authorization Check:
  
  Ensure that the user performing the operation has the necessary authorizations to access the client and perform the required actions.
  
  
  
  Consult Basis Team:
  
  If you are unsure about making changes to client settings or if the client is in a production environment, consult your SAP Basis team or system administrator for guidance.
  
  
  
  Review Transport Layer:
  
  Check the transport layer settings to ensure that they are configured correctly and do not restrict access to the client.
  
  
  
  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 and restrictions.
  SAP Notes: Check SAP Notes for any specific guidance or updates related to this error message. SAP frequently updates its documentation and may provide specific solutions or workarounds.
  Documentation: Refer to the SAP Help Portal for detailed documentation on client management and transport management.
  
  Always ensure that any changes made to client settings are in line with your organization's policies and procedures to maintain system integrity and security.