Unable to connect to L2TP VPN on Windows 10

Product Discussion Peplink Balance
1

Hello,

I’ve been struggling to connect to the Peplink VPN (L2TP With IPSec) on Windows 10 (Home and Pro). I’m able to connect to the VPN on a Mac, iPhone and Android devices. I’m not sure what’s up with Windows as my old router the Cisco 1841 had the same issue when connecting.

I have followed the instructions here Setting up L2TP With IPsec and after attempting to connect, it would say that it can’t connect and the remote server is not responding. I read somewhere that you may be able to change some registry keys in order to resolve this issue.

Can somebody help? I appreciate it, thanks!

2

Just to confirm your Peplink device deploy behind a NAT device ? If you, would you please check on this forum post ?

1 Like
4

My problem is I am unable to connect to a peplink balance that is not using NAT but the windows 10 client is using NAT.
Using the same client and server, if I tether the client trough my phone (no NAT), it connects. I have tried the registry edit for a server using NAT and it does not correct the problem.

in summary. client without nat connects, with nat fails.