How To Fix SNC009 - SNC logon by &1 &2 for &3

SAP Error Message - Details

• Message type: E = Error

• Message class: SNC - Secure Network Communication, SNC

• Message number: 009

• Message text: SNC logon by &1 &2 for &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SNC009 - SNC logon by &1 &2 for &3 ?

  The SAP error message "SNC009: SNC logon by &1 &2 for &3" typically indicates an issue related to Secure Network Communications (SNC) during the logon process. This error can occur when there are problems with the SNC configuration or when the SNC library is not properly set up.
  Cause:
  
  SNC Configuration Issues: The SNC parameters in the SAP system may not be correctly configured. This includes settings in the instance profile or the SAP GUI.
  Missing or Incorrect SNC Library: The required SNC library may not be installed, or the path to the library may not be correctly specified in the SAP system.
  User Credentials: The user credentials being used for the SNC logon may be incorrect or not properly set up in the SAP system.
  Network Issues: There may be network-related issues preventing the SNC connection from being established.
  SNC Name Mismatch: The SNC name used in the logon may not match the one configured in the SAP system.
  
  Solution:
  
  
  Check SNC Configuration:
  
  Verify the SNC parameters in the instance profile (e.g., snc/enable, snc/gssapi_lib, snc/identity/as).
  Ensure that the SNC settings in the SAP GUI are correctly configured.
  
  
  
  Verify SNC Library:
  
  Ensure that the required SNC library is installed on the server and that the path is correctly specified in the instance profile.
  Check if the library is compatible with the version of SAP you are using.
  
  
  
  User Credentials:
  
  Ensure that the user credentials being used for the SNC logon are correct.
  Check if the user is properly configured for SNC in the SAP system.
  
  
  
  Network Configuration:
  
  Check for any network issues that may be preventing the SNC connection.
  Ensure that firewalls or other network security measures are not blocking the SNC traffic.
  
  
  
  SNC Name Verification:
  
  Verify that the SNC name used in the logon matches the one configured in the SAP system.
  Check the SNC name in the user profile and ensure it is correctly set.
  
  
  
  Related Information:
  
  SNC Documentation: Refer to the SAP documentation on SNC for detailed configuration steps and troubleshooting tips.
  SAP Notes: Check for relevant SAP Notes that may address specific issues related to SNC logon errors.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after checking the above points, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.