How To Fix TRUST101 - Certificate with subject key identifier &1 already exists

TRUST101 - Overview

• Message type: E = Error

• Message class: TRUST - Certificate Management

• Message number: 101

• Message text: Certificate with subject key identifier &1 already exists

What causes this issue?

There is already another certificate in the address book with the
subject key identifier &V1&. It is therefore not possible to add this
certificate to the address book.

System Response

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

How to fix this error?

In the menu of the <DS><DS:TRAN.STRUST>Trust Manager</></>, call the
address book and check whether you want to continue to use the
certificate with the subject key identifier &V1&.

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 TRUST101 - Certificate with subject key identifier &1 already exists ?

  The SAP error message TRUST101 indicates that there is a duplicate certificate in the system with the same subject key identifier. This typically occurs when you are trying to import a certificate that already exists in the system's trust store.
  
  Cause:
  The error is caused by the following:
  
  You are attempting to import a certificate that has the same Subject Key Identifier (SKI) as an existing certificate in the SAP system.
  This can happen if the same certificate is imported multiple times or if there are multiple certificates with the same SKI due to misconfiguration or incorrect imports.
  
  
  Solution:
  To resolve the TRUST101 error, you can follow these steps:
  
  
  Check Existing Certificates:
  
  Go to the transaction code STRUST in your SAP system.
  Navigate to the appropriate trust store (e.g., "SSL Client (Standard)" or "SSL Server (Standard)").
  Look for the certificate with the same Subject Key Identifier (SKI) that is causing the conflict.
  
  
  
  Remove or Replace the Existing Certificate:
  
  If the existing certificate