Opa, retornando.
Vi o manual do smb.conf:
logon path (G)
This parameter specifies the home directory where
roaming profiles (NTuser.dat etc files for Windows
NT) are stored. Contrary to previous versions of
these manual pages, it has nothing to do with Win
9X roaming profiles. To find out how to handle
roaming profiles for Win 9X system, see the logon
home parameter.
This option takes the standard substitutions,
allowing you to have separate logon scripts for
each user or machine. It also specifies the direc
tory from which the "Application Data", (desktop,
start menu, network neighborhood, programs and
other folders, and their contents, are loaded and
displayed on your Windows NT client.
The share and the path must be readable by the user
for the preferences and directories to be loaded
onto the Windows NT client. The share must be
writeable when the user logs in for the first time,
in order that the Windows NT client can create the
NTuser.dat and other directories.
Thereafter, the directories and any of the contents
can, if required, be made read-only. It is not
advisable that the NTuser.dat file be made read-
only - rename it to NTuser.man to achieve the
desired effect (a MANdatory profile).
Windows clients can sometimes maintain a connection
to the [homes] share, even though there is no user
logged in. Therefore, it is vital that the logon
path does not include a reference to the homes
share (i.e. setting this parameter to \%N\%U\pro
file_path will cause problems).
This option takes the standard substitutions,
allowing you to have separate logon scripts for
each user or machine.
Note that this option is only useful if Samba is
set up as a logon server.
Default: logon path = \\%N\%U\profile
Example: logon path = \\PROFILESERVER\PROFILE\%U
Veja que ele coloca o "logon path" como um URI, não um diretório Unix. Então a sintaxe correta deve ser a da segunda linha (aquela que vc disse que não testou). Outra coisa, estou lembrando agora de ter visto em algum lugar que não é legal colocar o endereço dos profiles do NT (logon path) no mesmo lugar que os profiles do Win9X (logon home).
:nao_sei_de_nada: Só pq gostei destes emoticons !