Hello folks

I’m having trouble with Windows XP and Debian Linux. I need to access lots of files from Windows XP desktop. When I am using Debian on Laptop I am able to connect to Samba server. But when I try to connect it from Windows XP It says

Account is Not Authorized to Log In to this Station

How do I connect from windows xp to Samba box . I am trying this since last 2 days and i have posted this to some other popular linux forum noone is able to help me