How To Fix LDAP_DELAYED_AUTH005 - Delayed authentication is configured to use alias name, user &1 has none

SAP Error Message - Details

• Message type: E = Error

• Message class: LDAP_DELAYED_AUTH - LDAP Delayed Authentication

• Message number: 005

• Message text: Delayed authentication is configured to use alias name, user &1 has none

What causes this issue?

Delayed authentication is configured to identify SAP users in the
directory service by their alias user name, however the user for which
the process should be prepared now does not have an alias user name.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LDAP_DELAYED_AUTH005 - Delayed authentication is configured to use alias name, user &1 has none ?

  The SAP error message LDAP_DELAYED_AUTH005 indicates that there is an issue with the configuration of delayed authentication in the context of LDAP (Lightweight Directory Access Protocol). Specifically, the error message states that delayed authentication is configured to use an alias name, but the user in question does not have an alias name set up.
  Cause:
  The primary cause of this error is that the user account being authenticated does not have an alias name defined in the LDAP directory. Delayed authentication relies on the alias name to identify users, and if it is not present, the authentication process cannot proceed as expected.
  Solution:
  To resolve this issue, you can take the following steps:
  
  
  Check User Configuration in LDAP:
  
  Access your LDAP directory and verify the user account for which the error is occurring.
  Ensure that the user has an alias name defined. This may involve checking the attributes associated with the user entry in the LDAP directory.
  
  
  
  Update User Attributes:
  
  If the alias name is missing, you will need to add it. This typically involves updating the user entry in the LDAP directory to include the appropriate alias name attribute.
  The exact attribute to use may depend on your LDAP schema, but common attributes include uid, cn, or a custom attribute defined for alias names.
  
  
  
  Review SAP Configuration:
  
  Check the SAP system configuration for LDAP settings, particularly the settings related to delayed authentication.
  Ensure that the configuration is correctly set up to use the alias name and that it aligns with the attributes defined in your LDAP directory.
  
  
  
  Test Authentication:
  
  After making the necessary changes, test the authentication process again to ensure that the error has been resolved.
  
  
  
  Consult Documentation:
  
  If you continue to experience issues, consult the SAP documentation or your LDAP directory documentation for further guidance on configuring delayed authentication and user attributes.
  
  
  
  Related Information:
  
  Delayed Authentication: This is a mechanism that allows users to authenticate without immediately verifying their credentials against the LDAP server. Instead, it may use cached credentials or alias names to facilitate the process.
  LDAP Configuration in SAP: Ensure that your SAP system is properly configured to communicate with your LDAP directory. This includes settings for the LDAP server, user mapping, and authentication methods.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the LDAP_DELAYED_AUTH005 error and ensure that users can authenticate successfully.