C:\Program Files (x86)\OpenVPN\bin>openvpn s.ovpn

Fri Nov 16 00:00:40 2012 OpenVPN 2.1.3 i686-pc-mingw32 [SSL] [LZO2] [PKCS11] built on Aug 20 2010
Fri Nov 16 00:00:40 2012 IMPORTANT: OpenVPN's default port number is now 1194, based on an official port number assignment by IANA.  OpenVPN 2.0-beta16 and earlier used 5000 as the default port.
Fri Nov 16 00:00:40 2012 NOTE: OpenVPN 2.1 requires '--script-security 2' or higher to call user-defined scripts or executables
Fri Nov 16 00:00:40 2012 TAP-WIN32 device [Local Area Connection] opened: \\.\Global\{128D7714-33F4-4A22-8C2A-2AC1D63B7F7F}.tap
Fri Nov 16 00:00:40 2012 Notified TAP-Win32 driver to set a DHCP IP/netmask of 10.8.0.1/255.255.255.252 on interface {128D7714-33F4-4A22-8C2A-2AC1D63B7F7F} [DHCP-serv: 10.8.0.2, lease-time: 31536000]
Fri Nov 16 00:00:40 2012 UDPv4 link local (bound): [undef]:1194
Fri Nov 16 00:00:40 2012 UDPv4 link remote: [undef]