How To Fix CLB301 - Authentication failed: SAML assertion could not be retrieved

SAP Error Message - Details

• Message type: E = Error

• Message class: CLB - SAIL: Common messages

• Message number: 301

• Message text: Authentication failed: SAML assertion could not be retrieved

What causes this issue?

A SAML assertion could not be created to authenticate the user.

System Response

The method in progress will be cancelled.

How to fix this error?

Check whether the system has SAML enabled by using transaction
<DS:TRAN.SAML2>SAML2</>.
After this you should check transaction <DS:TRAN.STRUST>STRUST</> if the
SAML environment is complete.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CLB301 - Authentication failed: SAML assertion could not be retrieved ?

  The SAP error message CLB301: Authentication failed: SAML assertion could not be retrieved typically occurs in scenarios where Single Sign-On (SSO) is implemented using SAML (Security Assertion Markup Language). This error indicates that the system was unable to retrieve the SAML assertion needed for authentication.
  Causes:
  
  Configuration Issues: There may be misconfigurations in the SAML setup, such as incorrect URLs, certificates, or metadata.
  Expired or Invalid Certificates: The signing certificate used by the Identity Provider (IdP) may have expired or is not valid.
  Network Issues: There could be network connectivity problems preventing the SAP system from reaching the IdP.
  IdP Issues: The Identity Provider may be down or experiencing issues that prevent it from issuing SAML assertions.
  User Permissions: The user may not have the necessary permissions or roles assigned in the IdP.
  Clock Skew: If the system clocks between the SAP system and the IdP are not synchronized, it can lead to issues with the validity of the SAML assertion.
  
  Solutions:
  
  Check Configuration: Review the SAML configuration in both the SAP system and the IdP. Ensure that the endpoints, certificates, and metadata are correctly set up.
  Validate Certificates: Ensure that the certificates used for signing and encryption are valid and not expired. If they are expired, update them in both the IdP and SAP system.
  Test Network Connectivity: Verify that the SAP system can reach the IdP. You can use tools like ping or telnet to check connectivity.
  Check IdP Status: Ensure that the IdP is operational and can issue SAML assertions. You may need to contact the IdP administrator for assistance.
  Review User Roles: Confirm that the user has the necessary roles and permissions assigned in the IdP to access the SAP system.
  Synchronize Clocks: Ensure that the system clocks on both the SAP system and the IdP are synchronized. This can often be done using NTP (Network Time Protocol).
  Enable Logging: If the issue persists, enable detailed logging for SAML authentication in the SAP system to gather more information about the failure.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for SAML configuration and troubleshooting.
  Community Forums: Check SAP Community or other forums for similar issues and solutions shared by other users.
  Support Tickets: If the problem cannot be resolved, consider opening a support ticket with SAP for further assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the CLB301 error in your SAP environment.