Well... this is my test result:

Nothing changes if XP SP2 is Workstation and use database (and programs) from domain server or other work group computer (W2K etc)

but if XP...

Is the SSL port open (In firewall)?

Some patche's close ports...

-Esa-

With Windows autentication (simple):

osql -E

With SQL autentication (simple):

osql -U username -P password

-Esa-