How To Fix GW768 - SNC is not available

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 768

• Message text: SNC is not available

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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Smart SAP Assistant

• What is the cause and solution for SAP error message GW768 - SNC is not available ?

  The SAP error message GW768 "SNC is not available" typically indicates that the Secure Network Communications (SNC) is not properly configured or is not available in the SAP system. SNC is used to provide secure communication between SAP systems and clients, ensuring data integrity and confidentiality.
  Causes:
  
  SNC Configuration Issues: The SNC parameters may not be correctly set in the SAP system.
  Missing SNC Library: The required SNC library (e.g., sapcrypto.dll for Windows or libsapcrypto.so for UNIX/Linux) may not be installed or accessible.
  SNC Not Enabled: The SNC feature may not be enabled in the SAP system profile.
  Network Issues: There may be network connectivity issues preventing the SNC from functioning properly.
  Incorrect SNC Name: The SNC name configured in the SAP system may not match the SNC name used by the client.
  
  Solutions:
  
  
  Check SNC Configuration:
  
  Verify the SNC parameters in the SAP system. You can check the parameters using transaction RZ10 or RZ11.
  Ensure that the snc/enable parameter is set to 1 to enable SNC.
  
  
  
  Install Required Libraries:
  
  Ensure that the necessary SNC libraries are installed on the server and client machines. For example, check for sapcrypto.dll or libsapcrypto.so.
  
  
  
  Update Profile Parameters:
  
  Update the instance profile to include the necessary SNC parameters. Common parameters include:
  
  snc/enable
  snc/identity/as (SNC identity)
  snc/identity/accept (SNC identity for accepting connections)
  
  
  After making changes, restart the SAP instance.
  
  
  
  Verify SNC Name:
  
  Check the SNC name configured in the SAP system and ensure it matches the SNC name used by the client. The SNC name should be in the format p:CN=<CommonName>.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no network issues preventing communication between the SAP system and the client.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes that may provide additional guidance or patches related to SNC issues.
  
  
  
  Related Information:
  
  SNC Documentation: Refer to the official SAP documentation for detailed information on configuring and troubleshooting SNC.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to diagnose and resolve the GW768 SNC error in your SAP environment.