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  1. MelvinSE

    Win 2K VPN Config/Connectivity

    I've looked into setting up an L2TP/IPSec VPN, but from what I've been reading, Windows 2000 Server doesn't support the necessary L2TP/IPSEC NAT-T that I would need since my firewall is running NAT. But, there is an update for L2TP/IPSec NAT-T from Microsoft, but it lists only "Windows 2000" as...
  2. MelvinSE

    Win 2K VPN Config/Connectivity

    Will setting up a L2TP VPN work instead?
  3. MelvinSE

    Win 2K VPN Config/Connectivity

    The server sits on the internal network, behind the router, which uses NAT. I though about installing RAS on the multi-homed server connected to the router, but that's an old NT4 machine that I don't want to use for that purpose. I've only tried to connect using a WinXP Pro client, and tried...
  4. MelvinSE

    Win 2K VPN Config/Connectivity

    I have set a static IP address pool, so I'm not sure that's it. However, I have read that the "721" error could be caused by the router not forwarding GRE packets properly. However, in the router log, it says it saw and accepted the GRE protocol packets and forwarded them to the proper...
  5. MelvinSE

    Win 2K VPN Config/Connectivity

    I'm not sure if I needed to install a second NIC or not, but I have seen writeups on configuring a VPN with just one. The external IP is handled by the firewall/router, which translates the external address to the hidden internal address of the VPN server and forwards the packet. The VPN NIC...
  6. MelvinSE

    Win 2K VPN Config/Connectivity

    I've got a few issues, so I'll just rattle them all off in hopes for some help. Running a Win 2K Server as a domain MEMBER of an NT4 domain. Active Directory is NOT running. The 2K Server has ONE NIC. Our firewall is configured to allow PPTP packets (GRE AND PPTP) packets through to the Win...
  7. MelvinSE

    New Exchange 5.5 server not relaying authenticated client mail

    I just set up a new server (replacing an old one) with Windows 2000 Server and Exchange 5.5. Previously, the original server was set up to allow client relaying. We had a spam issue (open relay) and had to close the relay and set up a message firewall (CMS Praetor, I recommend it) and...
  8. MelvinSE

    WinXP Pro and Win 2000 Server on different subnets

    Here's the situation: We have two different subnets in the building. Before now, there were no systems (other than one server running 2000) older than 98SE or NT4. Seeing all the workstations in the entire organization was never a problem with NetBEUI. Here's where it gets fun. Our domain...
  9. MelvinSE

    Exchange 5.5 Spam/Relay/NDR issues

    Re: What Notifications do you have selected? I have all the notifications turned off.
  10. MelvinSE

    Exchange 5.5 Spam/Relay/NDR issues

    Thanks guys, but unfortunately I've already read the previous threads (I've never had a "bluestell" originator problem, just blank NDRs). Mottster, your reply makes the most sense (that's it's unfixable without third party software), so I'm looking more into Praetor - which I also...
  11. MelvinSE

    Exchange 5.5 Spam/Relay/NDR issues

    I was hoping to get some feedback on a critical problem I've been having for the last couple of weeks. I'm running NT 4.0 and Exchange 5.5. A couple of weeks ago users began complaining about long delivery times on outbound emails. When I checked the server, the outbound queue was filled with...

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