How To Fix /PLMU/UI_FRW036 - No HTTP/HTTPS Connection maintained for Logical System &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMU/UI_FRW -

• Message number: 036

• Message text: No HTTP/HTTPS Connection maintained for Logical System &1

Self-Explanatory Message

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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 /PLMU/UI_FRW036 - No HTTP/HTTPS Connection maintained for Logical System &1 ?

  The SAP error message /PLMU/UI_FRW036 No HTTP/HTTPS Connection maintained for Logical System &1 typically indicates that there is an issue with the HTTP or HTTPS connection configuration for a specific logical system in your SAP environment. This error can occur in various scenarios, such as when trying to access a web service or when using certain SAP applications that require HTTP/HTTPS communication.
  Cause:
  
  Missing HTTP Connection: The logical system specified in the error message does not have a defined HTTP or HTTPS connection in the SAP system.
  Incorrect Configuration: The connection settings for the logical system may be incorrect or incomplete.
  Network Issues: There may be network-related issues preventing the connection from being established.
  Authorization Issues: The user or service trying to establish the connection may not have the necessary authorizations.
  
  Solution:
  
  
  Check Logical System Configuration:
  
  Go to transaction SM59 (RFC Destinations).
  Check if the logical system mentioned in the error message is listed and properly configured.
  Ensure that the connection type is set to HTTP or HTTPS as required.
  
  
  
  Create or Update HTTP Connection:
  
  If the logical system is not present, create a new HTTP connection.
  If it exists but is not configured correctly, update the connection settings, including the target host, port, and any necessary parameters.
  
  
  
  Test the Connection:
  
  After configuring the connection, use the "Test Connection" feature in SM59 to verify that the connection can be established successfully.
  
  
  
  Check Network Settings:
  
  Ensure that there are no firewall or network issues preventing the connection.
  Verify that the target server is reachable from the SAP system.
  
  
  
  Review Authorizations:
  
  Ensure that the user or service account has the necessary authorizations to establish the connection.
  
  
  
  Check SAP Notes:
  
  Look for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SICF: Maintain HTTP Services
  SPRO: Customizing (for configuration settings)
  
  
  
  Documentation: Refer to SAP Help documentation for more details on configuring HTTP connections and troubleshooting connectivity issues.
  
  
  Logs: Check the application logs (transaction SLG1) for any additional error messages or details that may help in diagnosing the issue.
  
  
  By following these steps, you should be able to resolve the error message and establish the necessary HTTP/HTTPS connection for the specified logical system.