openvpn-build
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There are no TAP-Windows adapters on this system. You should be able to create a TAP-Windows adapter by going to Start -> All Programs -> TAP-Windows -> Utilities -> Add a new TAP-Windows virtual ethernet adapter.
I have execute the tapctl.exe file, i can see the tap adapter on my computer, please check the attachment.
I can't see the "TAP-Windows " program, so can't create a tap-windows adapters manually, what i should do now?

what is OAS ? is it Access Server ?
I don't know, maybe it is created by the other programs.
can you try installing community openvpn ? I guess similar adapter (without OAS) should appear
btw, do you mean tapctl from AS package ?
Just guess, can you tell me what the tapctl.exe is used to ?
I tried to run tapctl.exe, but I didn't see any execution details.
The build.bat file in the "openvpn-build\msvc" directory, only copy the header file of TAP, neither compile the source files, nor install process, is this correct?
Just guess, can you tell me what the tapctl.exe is used to ?
it is an utility for creation TAP interfaces
I tried to run tapctl.exe, but I didn't see any execution details.
that's a way it is designed. if you are not happy about it, you can send pull request
The build.bat file in the "openvpn-build\msvc" directory, only copy the header file of TAP, neither compile the source files, nor install process, is this correct?
no, it is not correct
That's all for the TAP in the build.bat, is it enough? echo TAP
copy build.tmp\tap-windows6-%TAP_VERSION%\src\tap-windows.h "%TARGET%\include" if errorlevel 1 goto error
if "%MODE%" == "DEPS" goto end
Yes, that is enough
OK,can you tell me what the openvpnserv.exe is used to ?
This project does not include the openvpn GUI, what i should do if i want to build the openvpn GUI in this project? any wiki page or doc?
this project does include GUI as well. documentation is provided here: https://github.com/OpenVPN/openvpn-build/blob/master/README.rst
OK,can you tell me what the openvpnserv.exe is used to ?
it is non interactive windows service
We don't yet use tapctl.exe in our released builds. Instead we use the old tapinstall.exe / devcon.exe. OpenVPN 2.5 will be the first version to use tapctl.exe.
I am using the master branch, it can generate the tapctl.exe now, maybe i shoud change the branch from master to 2.4.7?
Hi Could you tell me where i can get the tapinstall.exe / devcon.exe? i can't access the community-download page of openvpn, thanks in advance.
Is your access failure temporary or permanent ? openvpn.net had some issues yesterday ..
Hi Could you tell me where i can get the tapinstall.exe / devcon.exe? i can't access the community-download page of openvpn, thanks in advance.
Devcon is a part of the Windows Driver Samples package: https://github.com/microsoft/Windows-driver-samples/tree/master/setup/devcon
Mind that tapctl.exe has a different syntax than devcon.exe and does not install or update the driver. This is (will be) the installer's job. Therefore, it is not a snap-in replacement for the devcon.exe. If you are looking to script the process before the official 2.5 release using tapctl.exe, I suggest you try this:
pnputil -i -a OemVista.inf
tapctl create --name "My VPN Connection"
Tapinstall.exe / devcon.exe can be obtained from official OpenVPN installers. If you don't want to actually install OpenVPN to get it, you can extract the archive with 7-zip. There are three tapinstall.exe's there, but the largest is probably for x86_64/amd64 architecture.
Tapinstall.exe / devcon.exe can be obtained from official OpenVPN installers. If you don't want to actually install OpenVPN to get it, you can extract the archive with 7-zip. There are three tapinstall.exe's there, but the largest is probably for x86_64/amd64 architecture.
Thanks a lot.. This solution worked for me on Windows 11.
This seems to be an old 2.4 issue