How To Fix SAML2137 - Assertion not validated successfully

SAML2137 - Overview

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 137

• Message text: Assertion not validated successfully

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 SAML2137 - Assertion not validated successfully ?

  The SAP error message SAML2137: Assertion not validated successfully typically occurs in the context of Single Sign-On (SSO) configurations using Security Assertion Markup Language (SAML). This error indicates that the SAML assertion received by the SAP system could not be validated successfully, which can be due to several reasons.
  Causes of SAML2137
  
  
  Invalid Signature: The SAML assertion may be signed with a certificate that is not trusted by the SAP system, or the signature may be invalid.
  
  
  Expired Assertion: The assertion may have expired. SAML assertions have a validity period defined by the NotBefore and NotOnOrAfter attributes.
  
  
  Incorrect Audience: The audience specified in the assertion does not match the expected audience configured in the SAP system.
  
  
  Clock Skew: There may be a time synchronization issue between the Identity Provider (IdP) and the SAP system, leading to assertions being considered expired or not yet valid.
  
  
  
  Configuration Issues: There may be misconfigurations in the SAML settings, such as