Surfshark VPN Connection Error: Network conflict. The VPN tunnel subnet provided by the server overlaps with the LAN network(s)

I followed tutorial for adding VPN connection however I keep getting this message:

Network conflict. The VPN tunnel subnet provided by the server overlaps with the LAN network(s). Verify with the VPN provider if a different subnet can be used.

I followed link but there is nothing how to fix this. I would really appreciate any suggestion how to resolve it.

Are you trying to connect more than one VPN client?
Go back to the VPN client page and look at the VPN tunnel IP/subnet. Do you have a subnet within that range existing on your network already?

In my case I had an Identity Enterprise Workspace using my UDM, and the One-Click VPN used the 10.x.x.x network by default (though you can reconfigure this), which is where the conflict came from. I removed the UI VPN, set it up with a new default gateway/subnet, and then I could set up my 3rd party OpenVPN config without it conflicting with the UI.com VPN.

Same problem here, i need to setup 2 nordvpn client connections, but all of them have the same Tunnel Ip… Any suggestions? Thank you

To establish a VPN Client connection, each connection must have a unique “remote side” subnet. A common issue with Nord VPN is that many of their servers use the same subnet (10.8.0.0), typically configured with a /32 subnet mask. Unfortunately, Ubiquiti devices do not support this configuration well. To resolve this, explore additional servers within Nord VPN’s network. In my experience, after testing 11 different servers, I found 3 that had unique destination subnets. Here’s an image for reference:

https://gcdnb.pbrd.co/images/ybLchvHSFjuM.png?o=1

I received this comment from UI support:

UniFi currently supports up to 8 clients using the following protocols:

The behavior that you are observing is expected since the VPN server to which you are connecting uses the same DHCP IP address Pool that is 10.8.0.6/32 and 10.8.0.2/32

To resolve this, it’s recommended to reach out to the VPN provider’s support team to change to a different Network for the VPN tunnels.

By using a distinct Network that does not conflict with the existing network(s), it will ensure smooth communication and prevent routing conflicts.