[Samba] Sudden domain login problems from XP-pro sp2 clients, Please help!

[henry]

The windows firewall is off. I have viewed the installation history and 
no windows updates have been installed in the past month.....

Tomasz Chmielewski wrote:
> henry wrote:
> 
>> 3. Tried leaving and rejoining the domain. When I do this, I am able 
>> to rejoin fine, it says "Welcome to the <domain> domain." Upon reboot, 
>> the message becomes "The system cannot log you on because the domain 
>> <DOMAIN> is not available"
> 
> 
> don't you have any firewall problems etc.? it might happen during 
> windows update without you doing anything on Samba side.
> 
> 
> Tomek