How To Fix WSS022 - No trusted certificate for SAML authentication found (DN &1&2)

SAP Error Message - Details

• Message type: E = Error

• Message class: WSS - Web Services Security

• Message number: 022

• Message text: No trusted certificate for SAML authentication found (DN &1&2)

What causes this issue?

The system received a SAML assertion, which is not trusted by the SAP
system.

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?

The SAML assertion (issuer &V3&) is using a X.509 certificate (&V1&&V2&)
for signing, which was not trusted by the SAP system. To trus the issuer
of the SAML assertion, obtain the certificate of the SAML issuer, and
import it into the System PSE.
Please ensure user mapping has been maintained. Please refer to the SAP
documentation and note 1254821.
SAML Issuer: &V3&
Certificate DN: &V1&&V2&
If you use report RSUSREXTID for maintaing the mapping, the following
information if usefull:
Type of External ID:SA
Prefix of External Name: &V4&
Name of Issuer: &V1&&V2&

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.