HP CIFS Server 3.0d Administrator's Guide version A.02.02 (Edition 5)

NT Style Domains
Home Drive Mapping Support
Chapter 4 97
Home Drive Mapping Support
A HP CIFS Server provides user home directories and home drive
mapping functionality by using the following two global parameters in
the smb.conf file:
login home
logon drive
Example:
[global]
logon drive = H:
logon home = \\%L\%U