How To Fix SNC768 - No user exists with SNC name "&"

SAP Error Message - Details

• Message type: E = Error

• Message class: SNC - Secure Network Communication, SNC

• Message number: 768

• Message text: No user exists with SNC name "&"

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 SNC768 - No user exists with SNC name "&" ?

  The SAP error message SNC768 indicates that the system is unable to find a user with the specified Secure Network Communications (SNC) name. This typically occurs in environments where SNC is configured for secure communication between SAP systems and clients.
  Cause:
  
  Missing User: The user with the specified SNC name does not exist in the SAP system.
  Incorrect SNC Name: The SNC name provided may be incorrect or not matching the expected format.
  SNC Configuration Issues: There may be issues with the SNC configuration in the SAP system or the client.
  User Not Assigned to SNC: The user may not have been assigned an SNC name in the user master record.
  
  Solution:
  
  
  Verify User Existence:
  
  Check if the user exists in the SAP system by using transaction code SU01 (User Maintenance).
  Ensure that the user has been created and is active.
  
  
  
  Check SNC Name:
  
  Ensure that the SNC name is correctly specified. The SNC name should typically follow the format SNC:<SNC_NAME>.
  Verify that the SNC name matches the one configured in the user master record.
  
  
  
  Assign SNC Name:
  
  If the user does not have an SNC name assigned, you can assign it in the user master record:
  
  Go to transaction SU01.
  Enter the username and click on "Change".
  Navigate to the "Logon Data" tab and enter the appropriate SNC name in the "SNC Name" field.
  
  
  
  
  
  Check SNC Configuration:
  
  Ensure that the SNC is properly configured in both the SAP system and the client.
  Check the parameters in the instance profile (e.g., snc/enable, snc/identity/as).
  
  
  
  User Authorization:
  
  Ensure that the user has the necessary authorizations to use SNC. This may involve checking roles and profiles assigned to the user.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to SNC configuration for additional troubleshooting steps.
  
  
  
  Related Information:
  
  SNC (Secure Network Communications): A security protocol that provides encryption and secure communication between SAP systems and clients.
  User Master Record: Contains all the information related to a user, including logon data, roles, and authorizations.
  Transaction Codes:
  
  SU01: User Maintenance
  SU10: Mass User Maintenance (if you need to check multiple users)
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to SNC configuration or user management.
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis team or SAP support for further assistance.