How To Fix SNC012 - Exception &1 when getting external ID &2

SNC012 - Overview

• Message type: E = Error

• Message class: SNC - Secure Network Communication, SNC

• Message number: 012

• Message text: Exception &1 when getting external ID &2

What causes this issue?

A logon is to carried out via a server's SNC-secured connection using
an external identification (an X.509 certificate, for example).
The requests of the external identification with the server using RFC
were unsuccessful.
The exception that occurred is logged.
Exception 1 : The server does not have an external identification
2 : The server reports an internal error
3 : Communication error
4 : System failure

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

The system message is also displayed, if it is available, with
exceptions 3 and 4.

System Response

The logon is terminated.

How to fix this error?

Ensure that the server that executes the logon
(Internet Transaction Server, for example)
supports logons using external identification.
If this is the case, check the error messages that are there.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SNC012 - Exception &1 when getting external ID &2 ?

  The SAP error message SNC012, which states "Exception &1 when getting external ID &2," typically relates to issues with Secure Network Communications (SNC) in SAP systems. This error can occur when there are problems with the configuration of SNC or when the system is unable to retrieve the external ID for a user or service.
  Causes:
  
  SNC 
  Configuration Issues: The SNC settings in the SAP system may not be correctly configured. This includes issues with the SNC library or parameters.
  Missing or Incorrect External ID: The external ID that the system is trying to retrieve may not exist or may be incorrectly defined in the user profile or in the SNC configuration.
  Network Issues: There may be network connectivity issues that prevent the system from accessing the necessary resources to retrieve the external ID.
  Authorization Problems: The user or service may not have the necessary authorizations to access the external ID.
  SNC Library Issues: The SNC