How To Fix TRUST079 - Define the PSE for Single Sign-On with logon ticket only in client 000

TRUST079 - Overview

• Message type: E = Error

• Message class: TRUST - Certificate Management

• Message number: 079

• Message text: Define the PSE for Single Sign-On with logon ticket only in client 000

What causes this issue?

The PSE for Single Sign-On with logon ticket is determined in client
000, since the client is not determined before logon. On the other hand,
the SSO access control list (ACL) is only evaluated after the logon, and
is therefore client-dependent.

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?

If you are not logged on in client 000. do not maintain the PSE for
Single Sign-On with logon ticket, but rather only the SSO access control
list (ACL).

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 TRUST079 - Define the PSE for Single Sign-On with logon ticket only in client 000 ?

  The SAP error message TRUST079 indicates that the system requires a PSE (Personal Security Environment) to be defined for Single Sign-On (SSO) using logon tickets, specifically in client 000. This error typically arises when the necessary configuration for SSO is not properly set up in the SAP system.
  
  Cause:
  The error occurs due to one of the following reasons:
  
  Missing PSE Configuration: The PSE for the SSO is not defined or is incorrectly configured in client 000.
  Incorrect Trust Relationship: The trust relationship between the SAP systems is not established correctly, which is necessary for SSO to function.
  Client-Specific Settings: The settings for SSO are not correctly maintained in the client where the error is encountered.
  
  
  Solution:
  To resolve the TRUST079 error, follow these steps:
  
  
  Create or Maintain the PSE:
  
  Log in to the SAP system in client 000.
  Use transaction code STRUST to access the Trust Manager.
  In the Trust Manager, check if a PSE exists for the system. If