openvpn server and client setup

dear all

im trying to create VPN connection with OpenVPN connection from my rb751 router from my house (dynamic IP) to
rb1100 router at my office (static ip)

i already follow mikrotik openvpn how to from : http://wiki.mikrotik.com/wiki/OpenVPN

in my office router the log say that
TCP connection established from XXX.XXX.XXX.XXX(my house dynamic IP)

in my rb751 router log
ovpn-out1: Initializing…
ovpn-out1: dialing…
ovpn-out1: terminating… - peer disconnected
ovpn-out1: disconnected

could somebody help me to trouble shoot this problem

Thanks in Advance