When setting up a P2S connection to Azure using the Windows VPN client you receive Error 720: A connection to the remote computer could not be established. You might need to change the network settings for this connection.
On your workstation:
- Open Device Manager
- Go to Network adapters
- Right-click the WAN Miniport [protocol] and select Properties
- Select Uninstall device
- Repeat the above for each WAN Miniport driver installed
- Reboot your PC
- Re-open Device Manager
- Right-click Network adapters and select Scan for hardware changes
Retry your Azure VPN connection. This time is should connect successfully.