VPN using L2TP/IPSEC tunnel and network address translation.

Discussion in 'Windows Server' started by Frog, Feb 28, 2007.

  1. Frog

    Frog Guest

    Here is what we have.
    A Windows 2003 network and a working RRAS/IAS server using L2TP/IPSEC for
    VPN connections. All our employees with laptops can connect to the network
    via any high speed connections. This has been working for our users from
    there homes or hotels for over a year now.

    Here is the problem; our company has recently acquired a new client and as a
    result 5 of our people have gone to the client’s site to collaborate for the
    next month. From the client site our people can connect to the VPN but for
    some reason only 2 connections at a time. Which leaves the other 3 people
    without connections and getting the “675 error†when attempting to connect.
    Is there a limitation to the number of VPN tunnels when behind a firewall
    using NAT.
    Frog, Feb 28, 2007
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