This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
Is your MS SQL server on the same machine as you are running your code on, or are they on different boxes? If different boxes, I'd check for a firewall configuration problem. Don't use win2k3, but on winxp you hit that problem.