How To Fix 00778 - Multiple suitable SAP users found for external user identity

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 778

• Message text: Multiple suitable SAP users found for external user identity

Self-Explanatory Message

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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 00778 - Multiple suitable SAP users found for external user identity ?

  The SAP error message "00778 Multiple suitable SAP users found for external user identity" typically occurs when there is an attempt to log in to the SAP system using an external identity (like an SSO or LDAP user) and the system finds multiple SAP user accounts that match the external identity. This can lead to ambiguity about which SAP user account should be used for the login process.
  Cause:
  
  Multiple User Accounts: There are multiple SAP user accounts that are linked to the same external identity (e.g., the same email address or username).
  Configuration Issues: The configuration of the external authentication method (like SSO or LDAP) may not be set up correctly, leading to multiple matches.
  User Mapping: The mapping between external identities and SAP users may not be unique, causing conflicts.
  
  Solution:
  
  Identify Duplicate Users: Check the SAP user accounts in the system to identify which users are linked to the same external identity. You can do this by using transaction codes like SU01 or SU10 to list users.
  Remove or Merge Duplicates: If you find multiple users that should not exist, consider removing or merging them. Ensure that you have the necessary authorizations and that you follow your organization's policies for user management.
  Adjust External Identity Mapping: Review the configuration of your external identity provider (like LDAP or SSO) to ensure that each external identity maps to a unique SAP user. This may involve adjusting the settings in the identity provider or in the SAP system.
  Consult Documentation: Refer to SAP documentation or guides related to user management and external authentication for specific instructions on how to resolve this issue.
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SU01 (User Maintenance), SU10 (Mass User Maintenance), and SUIM (User Information System) to manage and analyze user accounts.
  User Management Best Practices: Implement best practices for user management, such as regular audits of user accounts and ensuring that external identities are unique.
  SSO and LDAP Configuration: Familiarize yourself with the configuration settings for SSO and LDAP integration in SAP, as these can often lead to issues if not set up correctly.
  
  By following these steps, you should be able to resolve the error message and ensure that each external identity corresponds to a single SAP user account.