How To Fix 0T057 - System &1 was not found in directory of known systems

SAP Error Message - Details

• Message type: E = Error

• Message class: 0T - WBO Configuration Editor / SE06

• Message number: 057

• Message text: System &1 was not found in directory of known systems

What causes this issue?

A system that was specified when transport routes or deliveries were
defined is not known in the directory of systems.
The problem here involves an internal inconsistency which can only have
been caused by deletion in the database or other internal errors.

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?

Create the system or delete the transport route.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 0T057 - System &1 was not found in directory of known systems ?

  The SAP error message 0T057 indicates that the system you are trying to access or reference is not found in the directory of known systems. This typically occurs in scenarios involving system connections, such as when using transaction codes that require a connection to another SAP system or when configuring system landscapes.
  Cause:
  
  Incorrect System Name: The system name you are trying to access may be misspelled or incorrect.
  System Not Registered: The target system may not be registered in the SAP system directory (e.g., in the RFC destination).
  Network Issues: There may be network connectivity issues preventing the system from being reached.
  Authorization Issues: The user may not have the necessary authorizations to access the specified system.
  Configuration Issues: The system may not be properly configured in the SAP landscape.
  
  Solution:
  
  Check System Name: Verify that the system name you are trying to access is correct and matches the name in the system directory.
  Register the System: If the system is not registered, you may need to add it to the directory of known systems. This can typically be done through transaction SM59 (RFC Destinations).
  Network Connectivity: Ensure that there are no network issues preventing access to the target system. You can use tools like ping or telnet to check connectivity.
  Authorization Check: Ensure that the user has the necessary authorizations to access the target system. You may need to consult with your SAP security team.
  Configuration Review: Review the configuration settings in the SAP system to ensure that the system landscape is set up correctly.
  
  Related Information:
  
  
  Transaction Codes: Common transaction codes related to system connections include:
  
  SM59: For managing RFC destinations.
  SICF: For managing HTTP services.
  STMS: For transport management system configurations.
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search the SAP Support Portal for relevant notes.
  
  
  Documentation: Refer to SAP documentation for guidance on configuring system connections and managing RFC destinations.
  
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.