How To Fix SNC720 - *** SNC messages in class 00

SAP Error Message - Details

• Message type: E = Error

• Message class: SNC - Secure Network Communication, SNC

• Message number: 720

• Message text: *** SNC messages in class 00

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 SNC720 - *** SNC messages in class 00 ?

  The SAP error message SNC720 is related to Secure Network Communications (SNC) and typically indicates an issue with the SNC configuration or the security settings in your SAP system. The error message is part of the SNC messages in class 00, which generally deal with security and encryption issues.
  Cause:
  The SNC720 error can occur due to several reasons, including but not limited to:
  
  Incorrect SNC Configuration: The SNC parameters in the SAP system may not be set correctly. This includes the SNC name, SNC library, or other related parameters.
  Missing or Invalid SNC Library: The required SNC library may not be installed, or the path to the library may be incorrect.
  Certificate Issues: If you are using SNC with Secure Sockets Layer (SSL), there may be issues with the certificates being used, such as expired certificates or incorrect certificate paths.
  Network Issues: There may be network-related issues preventing the proper establishment of a secure connection.
  User Authorization: The user may not have the necessary authorizations to use SNC.
  
  Solution:
  To resolve the SNC720 error, you can follow these steps:
  
  
  Check SNC Configuration:
  
  Go to transaction RZ10 and check the profile parameters related to SNC, such as snc/enable, snc/identity/as, and snc/lib.
  Ensure that the SNC name is correctly configured in the system.
  
  
  
  Verify SNC Library:
  
  Ensure that the SNC library is installed on the server and that the path specified in the profile is correct.
  Check if the library is compatible with your SAP version.
  
  
  
  Review Certificates:
  
  If using SSL, check the certificates for validity and ensure they are correctly installed.
  Use transaction STRUST to manage and check the SSL certificates.
  
  
  
  Network Configuration:
  
  Ensure that there are no firewall or network issues preventing the secure connection.
  Test the network connectivity between the SAP system and the client.
  
  
  
  User Authorizations:
  
  Check the user roles and authorizations to ensure that the user has the necessary permissions to use SNC.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes that may provide additional guidance or patches related to the SNC720 error.
  
  
  
  Related Information:
  
  SNC Documentation: Review the official SAP documentation on SNC for detailed configuration steps and best practices.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed logs and error messages.
  
  By following these steps, you should be able to diagnose and resolve the SNC720 error in your SAP system.