Lightweight Directory Access Protocol (LDAP) systems, Microsoft's Active Directory system for example, provide repositories of user information that Caché can search and retrieve.
Here is the process when an LDAP user attempts to authenticate to Caché:
User supplies a user name and password to Caché.
Caché passes the user name and password to the LDAP server for authentication.
If the user successfully authenticates with the LDAP server:
The LDAP server sends the user attributes to Caché, for example, default namespace and user roles.
The system creates or updates the user account information in Caché.
Here is a depiction of the process: