How To Fix SAML2035 - No user found with alias '&1' (format: unspecified)

SAP Error Message - Details

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 035

• Message text: No user found with alias '&1' (format: unspecified)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAML2035 - No user found with alias '&1' (format: unspecified) ?

  The SAP error message SAML2035 indicates that the system could not find a user associated with the specified alias. This typically occurs in the context of Single Sign-On (SSO) configurations using SAML (Security Assertion Markup Language). The error message format is as follows:
  SAML2035 No user found with alias '&1' (format: unspecified)
  Cause
  The error can be caused by several factors:
  
  Incorrect Alias: The alias specified in the SAML assertion does not match any user in the SAP system.
  User Not Created: The user corresponding to the alias has not been created in the SAP system.
  User Mapping Issues: There may be issues with the mapping between the SAML assertion and the SAP user accounts.
  Configuration Errors: Misconfigurations in the SAML setup, such as incorrect identity provider (IdP) settings or missing attributes in the SAML assertion.
  User Status: The user might be locked or inactive in the SAP system.
  
  Solution
  To resolve the SAML2035 error, you can follow these steps:
  
  
  Verify the Alias:
  
  Check the SAML assertion being sent from the IdP and ensure that the alias (username) is correct.
  Ensure that the alias format matches what is expected by the SAP system.
  
  
  
  Check User Existence:
  
  Log into the SAP system and verify that the user with the specified alias exists.
  Use transaction code SU01 to search for the user.
  
  
  
  User Creation:
  
  If the user does not exist, create the user in the SAP system using transaction SU01.
  
  
  
  User Mapping:
  
  Ensure that the SAML assertion contains the correct attributes that map to the SAP user fields. Common attributes include NameID, email, or other identifiers.
  Check the configuration of the IdP to ensure that it is sending the correct attributes.
  
  
  
  Check User Status:
  
  Ensure that the user is not locked or inactive. You can check this in the user maintenance screen (SU01).
  
  
  
  Review SAML Configuration:
  
  Review the SAML configuration in the SAP system (transaction SAML2) to ensure that the settings are correct.
  Check the trust relationship between the IdP and the SAP system.
  
  
  
  Logs and Traces:
  
  Check the SAP system logs (transaction SM21) and SAML traces for more detailed error messages that can provide additional context.
  
  
  
  Related Information
  
  SAML Configuration: Familiarize yourself with the SAML configuration in SAP, including how to set up the IdP and SP (Service Provider) settings.
  User Management: Understand user management in SAP, including how to create and maintain users.
  Security Settings: Review security settings related to SSO and user authentication in your SAP environment.
  
  By following these steps, you should be able to identify and resolve the cause of the SAML2035 error in your SAP system.