How To Fix SAML2078 - Authentication failed: Error during SAML 2.0 logon

SAML2078 - Overview

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 078

• Message text: Authentication failed: Error during SAML 2.0 logon

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 SAML2078 - Authentication failed: Error during SAML 2.0 logon ?

  The SAP error message SAML2078: Authentication failed: Error during SAML 2.0 logon typically indicates that there was an issue during the SAML (Security Assertion Markup Language) authentication process. This error can arise from various causes, and understanding these can help in troubleshooting and resolving the issue.
  Possible Causes
  
  
  
  Configuration Issues:
  
  Incorrect configuration of the SAML Identity Provider (IdP) or Service Provider (SP).
  Mismatched entity IDs or endpoints between the IdP and SP.
  Incorrectly configured certificates or keys used for signing/encrypting SAML assertions.
  
  
  
  User Credentials:
  
  The user may not exist in the IdP or may not have the necessary permissions.
  The user’s credentials may be incorrect or expired.
  
  
  
  Network Issues:
  
  Network connectivity problems between the SAP system and the IdP.
  Firewall or proxy settings blocking the SAML requests/responses.
  
  
  
  SAML Assertion Issues:
  
  The SAML assertion may be malformed or missing required attributes.
  The assertion may be expired or not yet valid.
  
  
  
  Time Synchronization:
  
  Time discrepancies between the SAP system and the IdP can lead to issues with assertion