How To Fix TRUST105 - Certificate included in address book

SAP Error Message - Details

• Message type: E = Error

• Message class: TRUST - Certificate Management

• Message number: 105

• Message text: Certificate included in address book

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?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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 TRUST105 - Certificate included in address book ?

  The SAP error message TRUST105 indicates that a certificate is included in the address book but is not valid for the intended use. This typically occurs in the context of Secure Network Communications (SNC) or when dealing with digital signatures and encryption in SAP systems.
  
  Cause:
  The error can arise due to several reasons:
  
  Expired Certificate: The certificate in the address book may have expired.
  Incorrect Certificate Usage: The certificate may not be suitable for the intended purpose (e.g., it may not be a valid client certificate).
  Missing Intermediate Certificates: The certificate chain may be incomplete, leading to trust issues.
  Misconfiguration: The address book entry may not be correctly configured or may point to an incorrect certificate.
  
  
  Solution:
  To resolve the TRUST105 error, you can follow these steps:
  
  
  Check Certificate Validity:
  
  Verify the expiration date of the certificate. If it is expired, you will need to renew or replace it.
  
  
  
  Review Certificate Usage:
  
  Ensure that the certificate is intended for the specific