How To Fix SNC014 - Logon with external identification: Invalid type (&1)

SNC014 - Overview

• Message type: E = Error

• Message class: SNC - Secure Network Communication, SNC

• Message number: 014

• Message text: Logon with external identification: Invalid type (&1)

What causes this issue?

The external identification type &V1& transmitted by the external
server program is invalid.
Currently, only type "1" (base64 coded X.509 certificate) is allowed.

System Response

The logon is refused.

How to fix this error?

If the external program is an SAP product (Internet Transaction Server
(ITS), for example), contact your helpdesk.
In the case of other products, contact the manufacturer
of the product.

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 SNC014 - Logon with external identification: Invalid type (&1) ?

  The SAP error message SNC014 indicates that there is an issue with the logon process using external identification, specifically that the type of external identification provided is invalid. This error typically occurs in environments where Secure Network Communications (SNC) is configured, and it is often related to the use of Single Sign-On (SSO) mechanisms.
  
  Cause:
  
  Invalid External Identification Type: The error suggests that the type of external identification (e.g., user ID, certificate, etc.) being used does not match the expected format or type defined in the system.
  
  Configuration Issues: There may be misconfigurations in the SNC settings or the external authentication method being used.
  User Mapping Issues: The user may not be correctly mapped to the external identification in the SAP system.
  SNC Library Issues: The SNC library being used may not be compatible or properly configured.
  
  
  Solution:
  
  Check External Identification: Verify that the external identification being used is correct and matches the expected format. Ensure that