hello, I have installed in my machine with linux fedora Core 1 samba 3.XXX and when I try to make the command # net rpc join - S <my PDC> -U <Administrator> it comes the following message: [2004/06/29 11:13:17, 0] rpc_client/cli_netlogon.c:cli_nt_setup_creds(249) cli_nt_setup_creds: request challenge failed Password: [2004/06/29 11:14:08, 0] rpc_client/cli_netlogon.c:cli_nt_setup_creds(249) cli_nt_setup_creds: request challenge failed [2004/06/29 11:14:08, 0] utils/net_rpc_join.c:net_rpc_join_newstyle(326) Error domain join verification: NT_STATUS_INVALID_COMPUTER_NAME My PDC is NT 4.0, has configuration specifies for this? Thanks, Marcos