• Make sure the Multy Device is in standard (router) mode.

• Make sure DDNS is enabled in the Settings > Internet > Dynamic DNS screen.

• Make sure the OpenVPN Server account is enabled in the OpenVPN Server > OpenVPN Server screen.

• Make sure Advertise DNS to Clients is enabled in OpenVPN Server > OpenVPN Server screen.

• Make sure the VPN client is using a reliable Internet connection.

• Make sure the VPN client is using the correct protocol (TCP/UDP) to connect to the OpenVPN Server.

• Make sure the client connecting to the OpenVPN Server account is using the same port number (default server port number is 1194) to access the server account.

• Make sure the “key” the VPN clients use to access the OpenVPN Server account is correct. If not, export the new .ovpn configuration file and send it to all OpenVPN clients so that they can use the new key.

• Temporarily disable any Internet security and antivirus software installed on the client device. Some Internet security and antivirus products are known to cause interference with VPN connections and should be disabled.

• Do NOT activate OpenVPN Server and OpenVPN Client at the same time on the Multy Device.

• Try to ping the OpenVPN server.

• Make sure connection to an OpenVPN Server account is enabled in the OpenVPN Server > OpenVPN Client screen.

• Make sure the interface through which the Multy Device connects to an OpenVPN Server account is allowed in the OpenVPN Server > OpenVPN Client screen’s Enable VPN on field.

• Make sure you enter the correct user name and password to connect to the OpenVPN Server account.