Ok
2 machines are connected to same network. They have same workgroup name.
Mac os :
SMB is active. Connects to router through ethernet. Has Leopard 1.5.1 clean installed.
Can see Vista sometimes on the network. Can not connect to Vista. I tried to smb://vistaip address didn t work
Vista:
Home Premium Edition. connects wireless. Regedit things have been made . Share options are turned on. System updated.
Can connect to Mac OS X