How To Fix TRUST103 - Certificate with issuer &1 and serial number &2 already exists

TRUST103 - Overview

• Message type: E = Error

• Message class: TRUST - Certificate Management

• Message number: 103

• Message text: Certificate with issuer &1 and serial number &2 already exists

What causes this issue?

There is already another certificate in the address book with the issuer
&V1& and serial number &V2&. 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 <DS><DS:TRAN.STRUST>Trust Manager</></> menu, call the address
book and check whether you want to continue to use the certificate with
the issuer &V1& and serial number &V2&.

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 TRUST103 - Certificate with issuer &1 and serial number &2 already exists ?

  The SAP error message TRUST103 indicates that there is an issue with a digital certificate in the SAP system. Specifically, it means that a certificate with the specified issuer and serial number already exists in the system's trust store. This can occur when you attempt to import a certificate that is already present, leading to a conflict.
  
  Cause:
  
  Duplicate Certificate: The most common cause of this error is that the certificate you are trying to import is already present in the system's certificate store. This can happen if the certificate was previously imported or if there is a configuration issue.
  Certificate Renewal: If a certificate has been renewed and the new certificate has the same issuer and serial number as the old one, this error may occur.
  Incorrect Import Process: The process of importing certificates may not have been followed correctly, leading to duplicates.
  
  
  Solution:
  To resolve the TRUST103 error, you can follow these steps:
  
  
  Check Existing