Why is the OpenVPN server not connecting?

Question

openvpn

Hello, there is a task to connect two clients via the Internet to the server using OpenVPN and immediately ran into such a problem after all the work was done to create all the necessary keys and certificates and create the ServerOVPN.ovpn file with the configuration, I run openvpn-gui-1.0.3.exe and I press connect gives an error
Here is the configuration file
dev tun
dev-node "vpn"
proto tcp-server
port 8888
tls-server
tls-auth c:\\OpenVPN\\ssl\\sch.key
Server 172.16.0.0 255.255.255.0
topology subnet
dh c:\\OpenVPN\\ssl\\dh1024.pem
ca c:\\OpenVPN\\ssl\\ca.crt
cert c:\\OpenVPN\\ssl\\Server1.crt
key c:\\OpenVPN\\ssl \\Server1.key
cipher AES-256-CBC
comp-lzo
persist-tun
persist-key
tun-mtu 1500
tun-mtu-extra 32
mssfix 1450
keepalive 10 120
status c:\\OpenVPN\\log\\openvpn-status.log
log c:\\OpenVPN\\log\\openvpn. log
verb 3
Here are all the files in the ssl folder

Answer 1

Server 172.16.0.0
a stand-alone network node cannot have such an address. this is the address of the entire subnet.
so change.