samba - Apr 2005 - password change failed, but actually worked

I'm setting up an NT domain style PDC on a Mandrake 9.2 system running 
Samba 2.28.

I'm able to do everything I need to do except to change password on a NT 
box AND have
it indicate that it did change.

When I do an alt-ctrl-del and select change password, I get the 
following error.

"The system cannot change your password now because the domain
<domainname>
is not available"

However, if I log out and log back in again, my domain password did change!

My smb.conf file looks like this...

# Samba config file created using SWAT
# from 0.0.0.0 (0.0.0.0)
# Date: 2004/10/16 12:21:45


# Global parameters
[global]
        passwd chat = *New*password* %n\n *Retype*new*password* %n\n 
*passwd:*all*authentication*tokens*updated*successfully*
#       pam password change = yes
        passwd chat debug = Yes
        encrypt passwords = yes
#       obey pam restrictions = yes
        add user script = /usr/sbin/useradd -d /dev/null -g 100 -s 
/bin/false -M %u
        unix password sync = yes
        passwd program = /usr/bin/passwd %u
#
        server string = Samba Server %v
        domain logons = Yes
        printing = cups
        logon script = logon.cmd
        wins support = Yes
        netbios name = YEW
        logon home = \\%L\export\%u
        domain master = Yes
        security = user
        printcap name = cups
        map to guest = Bad User
        time server = Yes
        socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
        workgroup = <hidden>
        os level = 64
        logon drive = H:
        domain admin group = root
        log file = /var/log/samba/log.%m
        log level = 3
        dns proxy = No
        printer admin = @adm
        logon path = \\%L\profiles\%u
        username map = /etc/samba/user.map
        debug level = 3
 
[netlogon]
        public = yes
        path = /usr/local/samba/lib/netlogon
        browseable = no
        write list = ntadmin
 
[profiles]
        path = /usr/local/samba/ntprofile
        read only = No
        create mask = 0600
        directory mask = 0700
        browseable = No
 
[homes]
        comment = Home Directories
        read only = No
        browseable = No
 
[printers]
        comment = All Printers
        path = /var/spool/samba
        create mask = 0700
        guest ok = Yes
        printable = Yes
        print command = lpr-cups -P %p -o raw %s -r   # using client 
side printer drivers.
        browseable = No
 
[print$]
        path = /var/lib/samba/printers
        write list = @adm root
        guest ok = Yes
 
Any Suggestions?

Walter