How To Fix TRUST160 - Certificate already exists

TRUST160 - Overview

• Message type: E = Error

• Message class: TRUST - Certificate Management

• Message number: 160

• Message text: Certificate already exists

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message TRUST160 - Certificate already exists ?

  The SAP error message TRUST160: Certificate already exists typically occurs when you are trying to import a digital certificate into the SAP system, but a certificate with the same identifier (such as the same subject name or key) already exists in the system's trust store.
  
  Cause:
  
  Duplicate Certificate: The most common cause is that the certificate you are trying to import is already present in the system's certificate store.
  Incorrect Import Process: Sometimes, the import process may not have been completed correctly, leading to inconsistencies in the trust store.
  Different Formats: If you are trying to import a certificate in a different format or with different parameters that match an existing certificate, it may trigger this error.
  
  
  Solution:
  To resolve the TRUST160 error, you can follow these steps:
  
  
  Check Existing Certificates:
  
  Use transaction code STRUST to access the Trust Manager.
  Navigate to the appropriate certificate store (e.g., "SSL Client (Standard)" or "SSL Server (Standard)").
  Look for the certificate that is