Integration Server 10.5 | Integration Server Administrator's Guide | Configuring a Central User Directory or LDAP | Overview of How Integration Server Works with Externally Defined Users and Groups | When the Server Accesses Externally Defined Information
 
When the Server Accesses Externally Defined Information
Integration Server obtains externally defined information to authenticate clients and to determine whether an ACL allows or denies an action.
Note:
Client requests that require Integration Server to access a central user directory or an LDAP directory may take longer to complete than those that do not.