L2TP IPSec VPN with AD Authentication

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pcservice
pcservice Posts: 4
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trying to get L2TP IPSec VPN with AD Authentication working. Followed this "https://community.zyxel.com/en/discussion/13087" How to Set Up L2TP IPSec VPN with AD Authentication on Nebula
Issue I am running into is no matter what account I use we get "User ***** has been denied from L2TP service.(Incorrect Username or Password)"

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  • mMontana
    mMontana Posts: 1,300  Guru Member
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    Maybe your current configuration cannot correctly query your AD?
  • Zyxel_Cooldia
    Zyxel_Cooldia Posts: 1,450  Zyxel Employee
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    Hi @pcservice,
    Can you post Windows AD event log when l2tp client login? We may need to check if there are any authentication error/fail event log in Windows AD.

  • pcservice
    pcservice Posts: 4
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    I ended up creating a new domain admin account to use for AD, this worked fine. The original admin account I was using had all the same rights as the new one I created, and It was not showing any errors in the logs with the account.  
  • Zyxel_Cooldia
    Zyxel_Cooldia Posts: 1,450  Zyxel Employee
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    edited July 2022
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    Not sure if it was related to Windows AD issue or Nebula issue. Assume the issue happens again. please help us to check if there is any error/warning event in Windows event log. 

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