[Samba] Samba:connection only works one time

[Jon Niehof]

> using samba 2.2.5; security=server
> connecting as user1 (user logged in on PC) works (12:28:55),
> disconnecting and connecting as another user2 (not the user logged in on
> PC) works too (12:30:22), but disconnecting and connecting again as
> user1 (user logged in on PC) fails (12:34:29) as well as user2
> (12:38:19).
> It seems it works only once and never again after one time logged in as
> user2 ?

My experience (and, based on feedback from the list, others' 
experience) is that security=server Just Doesn't Work in any 
reliable fashion. It's just a really, really nasty hack. Use 
security=domain if at all possible. Otherwise you'll have to 
figure out some other approach.