Windows XP A to Z - http://www.softwaretipsandtricks.com/windowsxp
Disable Modem Connection Auto Redial
http://www.softwaretipsandtricks.com/windowsxp/articles/323/1/Disable-Modem-Connection-Auto-Redial
Super Admin
 
By Super Admin
Published on 02/24/2005
 
Before I figured how to fix this problem, my computer would connect to the internet right after windows xp starts, or it sometimes just starts connecting when I didn't ask it to connect.

Disable Modem Connection Auto Redial

 To fix this problem, follow these steps...

1. Go to the "Control Panel"
2. Switch to Classic View (to make life easier)
3. Double-Click "Network Connections"
4. Click "Advanced" from the menu, then click "Dial-up Preference"
5. Under where it says "Enable redial by location", uncheck all locations.
6. Click "OK"

You're finished, now it won't auto-redial on you anymore.