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VPN Error 413: User authentication failed



For some strange reason, I'm unable to connect to my vpnclient on my machine. I'm able to connect from someone else's machine using my user ID

I'm getting an error " Secure VPN Connection terminated locally by the Client. Reason 413: User authentication failed.". This usually comes up after the 3rd attempt

My vpn connection worked fine few days ago, this problem started yesterday. I even tried restoring my system to an earlier date to see if it would help

I've gone through quite a few threads regarding the same issue, but none has helped me resolved my issue


I'm using Windows 8.1 - 64bit

I've uninstalled and re-installed vpnclient x64. I went through some threads and even installed the Deterministic Network Enhancer hoping it would help. Disabled firewall as well, but to no avail


My current VPN client settings are:

Authentication - Uses Group Authentication ( Username and password)

Transport - Transparent Tunneling Enabled and IPsec over UDP (NAT/PAT) enabled

Log Settings - All Low(1)


Please advise on how I can resolve this issue?





  • VPN
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