I have a Windows 2003 Server with 45 XP Pro machines connected on a single domain. Last Monday (6/2/08) one machine could no longer obatin an IP Address. If I manually insert address, the machine can access our server but not e-mail or internet. I figured I could deal with this later (Old machine, not a lot of need for this person to access e-mail or internet) however, today (6/9/08) I arrived to find one of our newer machines has the exact same problem. The user said machine was off all weekend and I am not showing any Windows Updates have been installed. Any ideas on what might be causing this and how to fix it? Please help!!