This tweak saves user passwords for Dial Up Networking so they do not have to be re-entered each session.
Go to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\RasMan\Parameters
Modify/Create DWORD Value of Data type REG_DWORD Named [DisableSavePassword]
Setting for Value Data: [0 = Disabled (Passwords Saved) / 1 = Enabled (Passwords Not Saved)]
Exit Registry / Reboot