Failed to open any TAP

[IcemaX]

Hello, I have a problem with a Dolphin's BBA emulation. I tried to connect to a private server with my PSO copy using this guide - link

Year ~ ago I had no problem connecting with such method, but now I always get an error "Failed to open any TAP". Somehow Dolphin doesn't like my bridged connection with OpenVPN TAP, or my router. I don't even know where to start.. my connection is wired, but I am using this router to access internet. (wi-fi for my phone)

Any help/advice?

[Aleron Ives]

The TAP error has nothing to do with your router: it means that Dolphin doesn't see the network bridge at all, as if you don't have the TAP adapter installed. Did you install OpenVPN itself? If so, that's not necessary; you only need the TAP adapter. First, I'd suggest completely uninstalling OpenVPN. Grab the latest x64 OpenVPN installer, but don't install it. Instead, open 7-Zip and use it to explore the OpenVPN installer file. One of the folders will have the tap-windows.exe installer, so extract that file and run it instead of the main OpenVPN one to get the TAP adapter without any of the unnecessary OpenVPN stuff. OpenVPN also has a tap-windows.exe listed on its download page, but I think that one is older than the one that's bundled in the OpenVPN installer.

Once it's installed, you should have a second Local Area Connection in your Network Connections portion of the Control Panel, so click and drag to highlight both LAN adapters, right click, then bridge them again. You'll lose the ability to configure the settings on your regular LAN adapter, so you'll need to right click on the bridge to set up your network correctly again from there. How you set up the BBA within Dolphin also depends upon whether you're using static IP or DHCP. You might want to restart your PC, and then launch Dolphin again to see if you still get the TAP error. You'll probably also want to make sure that you can still use the Internet before you mess with Dolphin. If you can't, then you did something wrong, so you should fix it first.

[IcemaX]

New OpenVPN installer doesn't give you an option to install TAP only, and doesn't name it x86 or x64. Tried to reinstall it a few times yesterday, didn't work, Dolphin still gave an error, while Bridge was working fine. I searched for a x64 installer specifically as you said, and found one from 2014, it differs from a new one, and gives you an option for a TAP only install (new one doesn't). I've installed it, linked my connections for a new bridge (with the same method as with previous OpenVPN install), set my BBA to auto (DHCP) and it worked like a charm, on a first try.

Thank you, now it works just fine.

Here's the two different exe's.

[Aleron Ives]

I have no idea what that privatetunnel thing is. It doesn't look like it's part of OpenVPN, but at least it works, I guess?

[IcemaX]

(03-29-2015, 04:43 AM)Aleron Ives Wrote: I have no idea what that privatetunnel thing is. It doesn't look like it's part of OpenVPN, but at least it works, I guess?

It's the latest OpenVPN client from http://openvpn.net/ , see it for yourself.

Right now I am using the old one, which solved my problem.

[Aleron Ives]

Oh, privatetunnel is like an affiliated program, or something. That links takes you away from OpenVPN.net, so I never investigated it.

What worked for me was to get the other installer in your screen shot, then open it with 7-Zip, like so:

   

The TAP installer is inside the $TEMP directory. Extract it, then run that instead of the OpenVPN installer itself. I deleted the OpenVPN installer, since I don't need it.

It may also be worth noting that when I first used the TAP, Windows got a bit confused and started running its own IPSec services, thinking I was trying to use a VPN. I disabled the IPSec services so that doesn't happen anymore.