Useful Samba Networking Commands
There are several useful commands available to the Samba network admin.
When it comes to networking, there are two important points of view... what the server sees and what the client sees. Windows networking relies on extensive (and complex) caching on each client. Sometimes a wait of 5-15 minutes will solve network 'issues' on a client. Other times the server is responsible. You must look in both places to determine the source(s) of your problem(s).
Login as root on the PDC (Primary Domain Controller).