[Samba] PDC Controller Error

[Bob Kruger]

I am trying to set up a PDC controller on a samba server, but continue 
to get the following error:

The user could not be added because the following error occured:

The trust relationship between the workstation and the primary domain 
failed.

An extract from the log shows only the following:

[2003/08/01 22:58:42, 0] smbd/service.c:make_connection(381)
  make_connection: bkruger logged in as admin user (root privileges)
[2003/08/01 22:58:43, 0] rpc_server/srv_samr.c:api_samr_set_userinfo(670)
  api_samr_set_userinfo: Unable to unmarshall SAMR_Q_SET_USERINFO.

Specifics are:

Slackware v8.0 running kernel v2.4.19, Samba 2.2.7a.

Extract from the smb.conf file :

[global]
        workgroup = HOME_OFFICE
        netbios name = LINUX50
        server string = Linux 50 Server
        encrypt passwords = Yes
        update encrypted = No
        log file = /var/log/samba
        announce version = 4.0
        socket options = TCP_NODELAY SO_SNDBUF=8192 SO_RCVBUF=8192
        add user script = /usr/sbin/useradd -d /dev/null -g 100 -s 
/bin/false -
        logon path = \\%L\profiles\%U
        logon drive = H:
        logon home = \\%L\%U\.profile
        domain logons = Yes
        os level = 64
        preferred master = Yes
        domain master = Yes
        wins support = Yes
        guest account = guest
        admin users = bkruger

[netlogon]
        path = /usr/local/samba/lib/netlogon
        write list = ntadmin

[profiles]
        path = /export/smb/ntprofile
        read only = No
        create mask = 0600
        directory mask = 0700


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Anyone got any hints or suggestions?

Thanks in advance for any assistance.

Bob