If you're supporting en users who need to transfer files by FTP occasionally, explaining how to use FTP every time can get frustrating. Map an FTP site as a custom network location and they can do it through the familiar Explorer window. If you only have a couple of machines you can choose Tools >Map Network Drive… in Explorer and click the link 'Connect to a Web site that you can use to store your documents and pictures' to open a wizard that creates a network location. Select 'Choose a custom network location', type in the FTP address and fill in the user name and password. You can also create mapped drives and network places on the Environment tab of the user's Active Directory object - but if you have a lot of users to set up, put it in the logon script for the user profile under Active Directory Users and Computers.
If you're running into problems with Group Policy Objects, check this handy summary of the rules at http://support.microsoft.com/kb/555991/en-us. read more