How To Fix SAML2022 - The assertion issuer is not identical to the response issuer

SAML2022 - Overview

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 022

• Message text: The assertion issuer is not identical to the response issuer

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 SAML2022 - The assertion issuer is not identical to the response issuer ?

  The SAP error message SAML2022 indicates that there is a mismatch between the issuer of the SAML assertion and the issuer of the SAML response. This error typically occurs in Single Sign-On (SSO) scenarios where SAML (Security Assertion Markup Language) is used for authentication.
  
  Cause:
  The error occurs when:
  
  The SAML assertion (which contains the authentication information) is issued by a different entity than the SAML response (which is sent back to the service provider).
  The configuration of the Identity Provider (IdP) and Service Provider (SP) is incorrect, leading to mismatched issuer values.
  There may be multiple IdPs configured, and the wrong one is being used for the authentication request.
  
  
  Solution:
  To resolve the SAML2022 error, you can take the following steps:
  
  
  Check Configuration:
  
  Verify the configuration settings in both the Identity Provider (IdP) and Service Provider (SP).
  Ensure that the issuer values in the SAML assertion and SAML response are identical. This typically involves checking the metadata files or