Re: l2tp/ipsec

From: aman (amanwaliaus_at_hotmail.com)
Date: 07/05/04 

Date: Mon, 5 Jul 2004 05:17:14 -0700

thanks a lot ..
one of my problem is solve now i can connect with my vpn
server through the vpn client the error was in firewall
settings . but Now when i tried to connect my server from
the xp client it gives me the error 788
i have updated my client with the NAT- T update.

Thanks

Aman
>-----Original Message-----
>No you don't have to configure ipsec policy, it is
created automatically for l2tp.
>However you have to create the same preshared key on both
the client and server
>[which you can not do on W2K but can for XP pro]. The
server must be W2003 for nat-t
>and the client needs to have the nat-t upgrade installed.
If the client is a W2003
>then I don't think it needs the nat-t upgrade but you
should review the KB
>documentaion to make sure. --- Steve
>
>http://www.microsoft.com/technet/prodtechnol/windowsserver
2003/technologies/networking/vpnexamp.mspx
>
>"AMAN" <AMANWALIAUS@HOTMAIL.COM> wrote in message
>news:2514001c46018$e72ca1c0$a401280a@phx.gbl...
>> I am using the windows 2003 as a vpn client and that is
>> NAT-T ENABLED. I HAVE TAKEN THE FOLLOWING STEPS TO
>> CONFIGUR THE VPN SERVER
>>
>>
>>
>> - ON THE SERVER PROPERTIES I HAVE SELECTED THE SECURITY
>> TAB AND THEN
>>
>> ADDED THE SHARED KEY .
>>
>> DO WE HAVE TO CONFIGURE THE IPSEC POLICIES ALSO.
>>
>>
>>
>> THANKS
>>
>> AMAN
>>
>>
>> >-----Original Message-----
>> >L2tp will not work over NAT devices if you are using
>> such. If that is the case
>> >you could try to install the NAT-T upgrade on the
client
>> computer and open the
>> >appropriate ports and protocols on any firewall. L2tp
>> uses 1701/udp, 500/udp,
>> >and protocol 50. NAT-T also uses 4500/udp. --- Steve
>> >
>> >http://support.microsoft.com/default.aspx?scid=kb;en-
>> us;818043
>> >
>> >"aman" <amanwaliaus@hotmail.com> wrote in message
>> >news:2455c01c45f5a$e4513880$a501280a@phx.gbl...
>> >> I have configured a windows 2003 server for vpn i
want
>> to
>> >> use the L2TP/ipsec shared key for Authentications.
when
>> >> ever
>> >> i try to connect my server from client it gives me a
>> error
>> >> 789.
>> >
>> >
>> >.
>> >
>
>
>.
>

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