VPN and Change Password
Login to laptop using cached, old password. Connect via VPN. Open Command Prompt Type 'runas /user:<DOMAIN>\<USERNAME> cmd' Enter new password. Close both Command Prompts. Wait a few minutes. Shortly after, you should get the notification area pop-up with the set of keys icon with notice " Windows Needs Your Current Credentials Please lock this computer, then unlock it using your most recent password or smart card ". Locked the computer. Unlock with new password. Done.