How To Fix 00768 - No user exists with SNC name "&"

00768 - Overview

• Message type: E = Error

• Message class: 00 -

• Message number: 768

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

What causes this issue?

A dialog logon occurred using Secure Network Communication (SNC). The
system could not find an R/3 user in the table USRACL for the user name
passed from the external security system to the R/3 System.

System Response

Logon is refused.

How to fix this error?

Use user maintenance (SU01) to assign the SNC to a user as an external
name.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 00768 - No user exists with SNC name "&" ?

  The SAP error message "00768 No user exists with SNC name '&'" typically indicates that the system is unable to find a user in the SAP system that corresponds to the specified Secure Network Communications (SNC) name. This error often arises in environments where SNC is used 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 misspelled.
  SNC 
  Configuration Issues: There may be issues with the SNC configuration in the SAP system or the client.
  User Not Assigned: The user may not have been assigned the correct SNC name in their user profile.
  
  
  Solution:
  
  
  Verify User Existence:
  
  Check if the user exists in the SAP system by using transaction code SU01 (User Maintenance).
  Enter the user ID and check if the user is active and properly configured.
  
  
  
  Check SNC Name:
  
  Ensure that the SNC