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VPN Error

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5 replies

by mmushy2000

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Hi All,

We are trying to establish Remote access VPN using windows 2000 ...
after connecting to our NAS i try to make establish VPN connection to
one of our internal Win2k Server (acting as VPN Server with RRAS
enabled) and i am dailing from win2kPro(acting as vpn client) . I m
trying to configure a L2TP/IPSec Connection Using Pre-shared Key
Authentication described from microsoft ppl in the following document.

http://support.microsoft.com/default.aspx?scid=kb;en-us;Q240262

Inspite of all this i recive the following error ever time i try to
establish VPN tunnel '

error :742 "THE REMOTE COMPUTER DOES NOT SUPPORT THE REQUIERD DATA
ENCRIPTION TYPE" '

and one thing more i've installed 128 bit encription patch (available
on microsoft site) on both client n VPN sever to match the encryption
level on both end.

Please any body here can give me any clue or can pin point the
mistake's i'm making ?

5 replies

by erikbutler

L2TP on windows 2000 is a royal pain. I set it up in a test enviroment and had to envoke Certificate Services on the server and issue a digital certificate to each client that connected. I found that PPTP works so much better and the MPPE encryption is just fine. No certs no bullshit it works great.

by ross.bale

In order to establish a VPN connection the Client and Server machines must both have at least one common protocol, otherwise the connection will not be established, check the configuration of protocols/encryption protocols in use at each end to ensure that this condition is met.

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