VPN not working on client behind a nat device

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hello all,

i have configured vpn on windows 2012 r2 server.  

i setting vpn make use of machine cert make use of ikev2 vpn type on client machine.

when trying connect client machine seeing error 809.

i have implemented registry fix ms recommend issue. have opened udp port 4500, udp port 500 , 1701 on  client machine , server acting vpn server , router machine, (i using windows 7 machine router in have enabled ics can replicate nat scenario.)

everything works fine when machine real public ip. , works fine when use user cert in nat scenario real public ip scenario

i have looked @ event viewer logs on client machine , see event id 20227 error code returned on failure 809.

can let me know how troubleshoot issue? 

thanks in advance,

ashish

hi  ashishvaidya  ,

for clients connect vpn server, specific ports of vpn server need mapped public. however, ics not support it.

we install rras on server implement nat , vpn .

here guide installing rras :

install rras :

https://technet.microsoft.com/en-us/library/dd469845.aspx

best regards,

leo

please remember mark replies answers if , unmark them if provide no help. if have feedback technet support, contact tnmff@microsoft.com.



Windows Server  >  Network Infrastructure Servers



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