TUN interface creation failed: cannot acquire TAP handle

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artm
OpenVpn Newbie
Posts: 1
Joined: Tue Nov 08, 2016 12:22 pm

TUN interface creation failed: cannot acquire TAP handle

Post by artm » Tue Nov 08, 2016 12:38 pm

Received this on new laptop my company issued. Booted a couple of times without issue, then this error message popped up:
"TUN interface creation failed: cannot acquire TAP handle"

Using Windows 10 Pro.

the following updates were installed along the way before I saw the problem:
1. Security Update for Adobe Flash Player for Windows 10 Version 1607 (for x64-based Systems) (KB3201860)
2. Update for Windows 10 Version 1607 for x64-based Systems (KB3199986)
3. Feature update to Windows 10, version 1607

I'm on the east coast and our IT support is ont he other coast. Trying to debug since they won't be in for hours...

skillbuilders-dave
OpenVpn Newbie
Posts: 2
Joined: Tue May 23, 2017 6:00 pm

Re: TUN interface creation failed: cannot acquire TAP handle

Post by skillbuilders-dave » Tue May 23, 2017 6:01 pm

We are having the same problem. Is there a solution for this?
"TUN interface creation failed: Cannot acquire TAP handle".


Thanks
dave anderson
skillbuilders

TiTex
OpenVPN Expert
Posts: 271
Joined: Tue Apr 12, 2011 6:22 am

Re: TUN interface creation failed: cannot acquire TAP handle

Post by TiTex » Tue May 23, 2017 7:02 pm

try reinstalling openvpn , after you remove it first and maybe clean the registries
unfortunately windows 10 updates tend to mess up things a lot more often than older versions of the OS.

goldfinch
OpenVpn Newbie
Posts: 1
Joined: Thu Nov 08, 2018 2:36 pm

Re: TUN interface creation failed: cannot acquire TAP handle

Post by goldfinch » Thu Nov 08, 2018 2:37 pm

It is good tip. After reinstalation working good. Thanks.
Dalibor

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