How To Fix SNC013 - No entry found in client &1 for user &2 and &3

SNC013 - Overview

• Message type: E = Error

• Message class: SNC - Secure Network Communication, SNC

• Message number: 013

• Message text: No entry found in client &1 for user &2 and &3

What causes this issue?

The system tried to execute a logon using an external identification (an
X.509 certificate, for example).
In addition, a user or "*" was specified in the user field of the logon
screen.
For the current external identification, no entry for the specified user
or default entry could be found in the specified client &V1&.

System Response

The logon is rejected.

How to fix this error?

If access to the SAP system is to be possible with the external
identification used and the specified user, an entry must be created for
it in table USREXTID with type DN.
If the default entry of an external identification is to be accessed
using the specification "*", the corresponding entry must be created
with the serial number 000.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SNC013 - No entry found in client &1 for user &2 and &3 ?

  The SAP error message SNC013 indicates that there is no entry found in the specified client for the user in question. This error typically occurs in the context of Secure Network Communications (SNC) when trying to authenticate a user.
  
  Cause:
  
  Missing User Entry: The user specified in the error message does not exist in the client specified.
  Incorrect Client: The client number may be incorrect, leading to a search in the wrong client.
  SNC 
  Configuration Issues: There may be issues with the SNC configuration, such as incorrect settings in the profile or missing entries in the SNC-related tables.
  User Not Assigned to the Client: The user might not be assigned to the client or may not have the necessary authorizations.
  SNC Name Resolution: The SNC name for the user may not be correctly defined or may not match the expected format.
  
  
  Solution:
  
  Check User Existence: Verify that the user exists in the specified client. You can do this