No Finder, escolha Ir - > Conecte-se ao servidor e, na caixa de endereço do servidor, digite
smb: // somedomain% 5csomeuser @ someserver / path / to / data
somedomain is the domain you log in via as if logged onto the windows machine,
someuser is your user id,
someserver is server hosting the share you're trying to access
/path/to/data is the rest of the path to the location you want