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Hey guys! Some of you may already know what ZeroTier One is, for those that don’t, I’ll give you a short explanation. If you have heard about Hamachi, ZeroTier is exactly the same type of software but in my opinion, a far better alternative to Hamachi. But with the new update, I have noticed that people including myself have had the ZeroTier PORT-ERROR and I am here to help you fix that problem on Windows.

ZeroTier helps to connect people from anywhere in the world on any device. It creates online secure virtual networks between on-premise, cloud, desktop and mobile devices.

It’s also ideal for gamers who want to play games with their friends through a LAN (Network Connection) over the internet. ZeroTier allows you to create a virtual LAN network between your friends for free.

ZeroTier combines capabilities of VPN and SD-WAN, simplifying network management. Enjoy flexibility while avoiding costly hardware vendor lock-in.

ZeroTIer Port Error

ZeroTier offers:

SPEED – Set up ZeroTier in minutes with remote, automated deployment.

Flexibility – Emulates Layer 2 Ethernet with multipath, multicast, and bridging capabilities.

Security – ZeroTier’s zero-trust networking solution provides scalable security with 256-bit end-to-end encryption.

Check out: How to optimise Windows 7 for best performance

How To Fix The ZeroTier PORT-ERROR

When I updated to the latest version of ZeroTier, I was welcomed with the PORT-ERROR Problem. I am here to offer a solution on how to fix this problem on a Windows PC.


If you have the same problem, it’s usually because of the ZeroTier network interface hasn’t installed correctly. This means we will need to do this manually.

First completely close down ZeroTier One, by right-clicking on its icon in the tasktray and selecting ‘exit’.

Then right click on ‘My Computer’ and select ‘Properties’


Next, you want to select Device Manager.

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Head down to ‘Network Adapters’, and you should have one labelled ‘Unknown Device’. If you haven’t got anything appearing, restart your computer and follow the previous steps again.

Select the ‘Unknown Device’ and right click to select ‘Update Driver’.

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On the next screen select ‘Browse my computer for driver software’‘.

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The next part involves finding a folder that is hidden by default in Windows. To make it visible, head to the control panel – folder options – the ‘View’ tab, and select ‘Show hidden files, folders and drives’, located under ‘Hidden files and folders’.

Once done, hit the browse button and go to the location – ‘C:\ProgamData\ZeroTier\One\tap-windows\x64’, and hit next.

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The driver will start to install. when it has completed the installation with success, restart your machine one more time and ZeroTier One should be working just fine.

Happy Networking!

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