How To Fix SAML011 - Error when logging on for external ID "&1": &2

SAML011 - Overview

• Message type: E = Error

• Message class: SAML - Messages for SAML

• Message number: 011

• Message text: Error when logging on for external ID "&1": &2

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 SAML011 - Error when logging on for external ID "&1": &2 ?

  The SAP error message SAML011 typically occurs during the Single Sign-On (SSO) process when there is an issue with the SAML (Security Assertion Markup Language) authentication. The error message format is usually as follows:
  SAML011 Error when logging on for external ID "&1": &2
  Cause
  The error can be caused by several factors, including:
  
  Invalid External ID: The external ID provided does not match any user in the SAP system.
  
  Configuration Issues: There may be misconfigurations in the SAML settings, such as incorrect Identity Provider (IdP) or Service Provider (SP) configurations.
  Certificate Issues: The certificates used for signing or encrypting SAML assertions may be expired, invalid, or not properly configured.
  Network Issues: There could be network connectivity problems between the SAP system and the IdP.
  User Mapping Issues: The mapping between the external ID and the internal SAP user may not be correctly set up.
  
  Solution
  To resolve the SAML011 error, you can follow these steps:
  
  
  Verify External ID: Ensure that