The Necessity of the VPN When Remotely Changing Windows Password Why VPN? Ensures secure connection to domain controller for password change. Steps Connect VPN: Cisco AnyConnect - vpn.insideplastics.com. Change Password: Press Ctrl + Alt + End > Change a password. Enter old/new password.. Verify: Logout/login with new password.. Troubleshooting Can't change without VPN: Connect first. Contact Support Desk.