How To Fix 2L420 - Service &1 has no connection defined to system &2, client &3

SAP Error Message - Details

• Message type: E = Error

• Message class: 2L - Landscape Infrastructure Server

• Message number: 420

• Message text: Service &1 has no connection defined to system &2, client &3

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 2L420 - Service &1 has no connection defined to system &2, client &3 ?

  The SAP error message 2L420 indicates that there is no connection defined for a specific service to a particular system and client. This error typically arises in scenarios involving SAP Landscape Management, SAP Process Integration (PI), or when configuring connections between different SAP systems.
  Cause:
  The error can occur due to several reasons:
  
  Missing Configuration: The service you are trying to access does not have a defined connection to the specified system and client.
  Incorrect System or Client: The system or client specified in the error message may be incorrect or not properly configured.
  Transport Layer Issues: There may be issues with the transport layer or network connectivity between the systems.
  Authorization Issues: The user may not have the necessary authorizations to access the service or the specified system.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Connection Configuration:
  
  Go to the relevant configuration transaction (e.g., SM59 for RFC connections).
  Verify that the connection for the service to the specified system and client is correctly defined.
  If it is missing, create a new connection or modify the existing one to include the necessary details.
  
  
  
  Verify System and Client:
  
  Ensure that the system and client specified in the error message are correct.
  Check if the target system is up and running and that you can connect to it.
  
  
  
  Network Connectivity:
  
  Test the network connectivity between the systems involved.
  Use tools like ping or telnet to check if the systems can communicate.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the service and the target system.
  Check roles and profiles assigned to the user.
  
  
  
  Review Logs:
  
  Check the system logs (e.g., SM21) for any additional error messages or warnings that might provide more context about the issue.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific service you are trying to access for any additional configuration steps that may be required.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SM59 (RFC Destinations)
  SICF (HTTP Services)
  SM21 (System Log)
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the error message.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the error message 2L420 in your SAP environment.