auth-user-pass filename option is it possible to create a plain text file with username and passphrase.
Is it possible to have the username and passphrase directly in the client.conf?
Not without recompiling
If you want to have automatic VPN channel negotiation you really should use certificates and private keys. There should be an
If you can't reconfigure the server (because you're not its administrator) then you really shouldn't keep your passwords in plain-text files...
You would have to recompile openvpn. Take a look here to build on Windows. It is always better to use certificates and private keys instead of plain text passwords