When a client attempts to connect to a VPN host, it fails with “A connection to the remote computer could not be established. You might need to change the network settings for this connection.”
In Device Manager:
- Uninstall all adapters starting with “WAN Miniport” by right-clicking each > Uninstall
- At the top of the Device Manager tree, right-click the computer name > Scan for Hardware Changes. The adapters removed in step 1 will reinstall automatically without restarting