Here are the settings for Windows 2000 Dial Up Networking, follow all instructions listed and make sure that the customers settings are as stated below.
Next double click on Control Panel followed by Dial Up Networking
Then right click on Lake Country Online and click properties
Make sure all options look like the ones above. Next click on Options tab and make sure all options apply as stated.
Click on the Security Tab next, and check all options and make sure they follow these.
Next click on the Networking Tab, and check all options in there.