Windows 7 or Vista is refusing to map network drives when a group policy script executes on login. Microsoft are aware of the issue since Vista but it still exists in Windows 7. Here’s the solution.
Windows 7 Firewall ports can be opened easily by following this step by step tutorial. Firewall ports need to be opened for many reasons such as for Remote Desktop Connection or using your PC as a server for applications such as FTP or for gaming.
This HOWTO tells you how to login automatically and therefore stop Windows XP from showing the login window or even from showing the Welcome Screen so you can just switch on, walk away, make tea, come back and see your desktop loaded and ready to go!