Sunday, July 29, 2018

L2TP VPN issues

Recently deployed a L2TP vpn through a ubiquiti USG that acts as a radius client and authenticates back to the company server so users can use AD credentials to access the network.

The Client side is using the built in windows VPN. For each user as we configured it we tested to make sure they could connect to the VPN and certain users were able to connect with zero issues and other users could not. It seemed like a password or username thing so we verified and re built the connection and it would work again but this afternoon it seemed to happen again. Tested it with test account to see if something server side had failed and the test account connected just fine. Just a couple specific users.

I was curious what would cause this. Is it windows vpn client being screwy ? I hate to think I have to rebuild this VPN profile every other week. I’d like to think I’m just over looking something.



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