HP CIFS Server 2.2i Administrator's Guide version A.01.11.01

LDAP Integration Support
Network Environments
Chapter 6114
5. The CIFS Server receives data attributes including the password
information from the LDAP directory server. If the password and
challenge information matches with information in the client response
package, the Samba user authentication succeeds. Then, the UNIX
authentication is conducted.
6. If both Samba and UNIX authentication is successful, the CIFS Server
returns a user token session ID to the Windows PC client.