[Samba] Samba Domain Problems?

[Derek Harkness]

I've got a Samba PDC running 2.2.8a.  I'm attempting to add a domain 
member server.  The member server is a linux box running Samba 3.0.4.

PDC config
[global]

    workgroup = UMD
    server string = %h server (Samba %v)
    status = yes
    netbios name = Samba
    lanman auth = no
    wide links = no
   guest account = nobody
    log level = 2
    log file = /usr/local/samba/var/log.user.%m.%U
    max log size = 50
    security = user
    unix password sync = false
    passwd program = /usr/bin/passwd %u
    passwd chat = *password* %n\n *password* %n\n *successful*
   encrypt passwords = yes
    socket options = TCP_NODELAY
    local master = yes
    os level = 35
    domain master = yes
    preferred master = yes
    domain logons = yes
    wins support = yes
    dns proxy = yes

And this has been working fine for a very large number of w2k 
workstations.

Member config
[global]
    workgroup = UMD
    wins server = 141.215.69.131
    dns proxy = no
    winbind separator = +
    winbind use default domain = yes
    use sendfile = yes
    idmap uid = 15000-20000
    idmap gid = 15000-20000
    security = domain
    password server = PDC
    encrypt passwords = yes
    passdb backend = tdbsam guest
    obey pam restrictions = no
    invalid users = root

When I do a net rpc join -U root I get prompted for the password and 
then "Joined domain UMD".  I can see the accounts on the PDC, but if I 
do a wbinfo -t I get

checking the trust secret via RPC calls failed
error code was NT_STATUS_PIPE_NOT_AVAILABLE (0xc00000ac)
Could not check secret

So what am I missing here?

Thanks!
Derek

"This world is a comedy to those who think and a tragedy to those who 
feel."
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