How To Fix 00766 - General SNC error

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 766

• Message text: General SNC error

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message 00766 - General SNC error ?

  The SAP error message "00766 General SNC error" typically indicates an issue related to Secure Network Communications (SNC) in an SAP environment. SNC is used to provide secure communication between SAP systems and clients by encrypting the data transmitted over the network.
  Causes of Error 00766
  
  SNC Configuration Issues: Incorrect or incomplete configuration of SNC parameters in the SAP system or the client can lead to this error.
  SNC Library Problems: The required SNC libraries may not be installed, or there may be version mismatches between the SAP system and the SNC libraries.
  Certificate Issues: Problems with the digital certificates used for SNC, such as expired certificates or incorrect certificate paths.
  Network Issues: Network connectivity problems that prevent the establishment of a secure connection.
  User Authorization: The user may not have the necessary authorizations to use SNC.
  
  Solutions
  
  
  Check SNC Configuration:
  
  Verify the SNC parameters in the SAP system (e.g., snc/enable, snc/identity/as, snc/partnername).
  Ensure that the SNC settings in the SAP GUI or other clients are correctly configured.
  
  
  
  Verify SNC Libraries:
  
  Ensure that the required SNC libraries (e.g., SAP Cryptographic Library) are installed and properly configured.
  Check for compatibility between the SAP system and the installed SNC libraries.
  
  
  
  Review Certificates:
  
  Check the validity of the digital certificates used for SNC. Ensure they are not expired and are correctly configured.
  If necessary, regenerate or replace the certificates.
  
  
  
  Network Connectivity:
  
  Test the network connection between the client and the SAP server to ensure there are no connectivity issues.
  Use tools like ping or traceroute to diagnose network problems.
  
  
  
  User Authorizations:
  
  Ensure that the user has the necessary authorizations to use SNC. This may involve checking roles and profiles assigned to the user.
  
  
  
  Check SAP Notes:
  
  Look for relevant SAP Notes that may address specific issues related to SNC errors. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  
  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 other users 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 for better diagnosis.
  
  By following these steps, you should be able to identify and resolve the cause of the "00766 General SNC error" in your SAP environment.