http://www.myfixes.com/quickfixes/fixes/21 1. Enable the Guest account in Control Panel / User Accounts 2. Download the Windows 2003 Resource Kit from this location: www.sitefwd.com/rktools http://www.microsoft.com/en-us/download/confirmation.aspx?id=17657 3. Install the program 4. Open a command prompt: Start/Run cmd 5. Execute the command: net user guest /active:yes 6. Execute the command: ntrights +r SeNetworkLogonRight -u Guest 7. Execute the command: ntrights -r SeDenyNetworkLogonRight -u Guest