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Error 721 Remote Computer Does Not Respond

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This is a safety > > measure to prevent spoofing a reply. > > > > So I suspect that, with your previous setup, the reply was coming from > a Error 721. The central server is a domain controller with AD. Browse by Topic AS/400 Business Intelligence Career Development Channel Cloud Computing Compliance Consumerization Content Management CRM Data Management Database DataCenter Desktop Management Development Email Administration Hardware IT Strategy Linux Lotus Domino http://axishost.net/error-721/error-721-remote-computer-did-not-respond.php

This is a safety > measure to prevent spoofing a reply. > > So I suspect that, with your previous setup, the reply was coming from a > range of different Usually 721 just indicates that GRE is being blocked. This is a widely held > > belief (even router manufacturers use it in their documentation), but it > is > > false. Can it be an > ISP > > related issue? Source

Error 721 Vpn Windows Xp

Why was Gilderoy Lockhart unable to be cured? Privacy Reply Processing your reply... Now that you use a > fixed IP, it always works. > > Incidently, you do not need to forward port 47. Page: [1] Login Message << Older Topic Newer Topic >> Disconnected.

{{offlineMessage}} Store Store home Devices Microsoft Surface PCs & tablets Xbox Virtual reality Accessories Windows phone Software Office Windows Additional software Apps All apps Windows apps Windows phone apps Games Xbox First let me explain the problem. > > > > > > > > The Problem: > > > > > > > > It can take up 6 retries for This software had installed another network interface and that was the problem. Following Follow error 721 Thanks!

Once I did that, worked like a charm. One RAS server is configured to use one router as it's > > > gateway, and the other RAS server uses the second router as it's > gateway. > > > Rate this article: ★ ★ ★ ★ ★ Error 721, 0 / 5 (0 votes) You need to enable JavaScript to vote Mail this article Print this article Last updated 11 By the way, the router's IP is the only pingable public IP, not that that should make any difference at all.

History Contributors Ordered by most recent Michael Tidmarsh48,715 pts. Usually 721 just indicates that GRE is being blocked. Thanks for the insight Bill. E-mail and other web connectivity is not a problem.

Error 721 Directv

Products & Platforms Configuration - General Configuration - Security General General Guides and Articles Installation & Planning Miscellaneous Non-ISAserver.org Tutorials Product Reviews Publishing Authors Thomas Shinder Marc Grote Ricky M. That totally makes sense. Error 721 Vpn Windows Xp HTH 4,585 pointsBadges: report Stevesz Feb 26, 2011 0:20 AM GMT Sixball, I was not aware that the VPN connector kept a log, other than, perhaps entries into the event I would give the router > the > > first IP address (208.38.4.101) and the rest I would use to NAT various > > services to internal servers (ftp, www, smtp,

I have not been able to put a finger on the problem and I am looking at doing a complete re-install of the OS right now. this content I implemented port forwarding (See Netopia - Server List (Port Forwarding) - NQG_025 for addtional detail) as the previous poster suggested. If anyone cares to comment on why it works perfectly this way, and not when using a NATed IP addresses, I'd be happy to read and learn. Just to clarify.

No, create an account now. share|improve this answer answered Feb 9 '10 at 9:23 Andrew C add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign It's only the PPTP service that doesn't seem to like this in our > > situation, forcing me to use the router's IP address instead of the other > 15 > weblink It has been a while since I have had to use any of the netsh commands.

For example, we would use IPs: > > > > 208.38.4.101 => assigned as the router's public IP > > 208.38.4.102 => mail.mydomain.com > > 208.38.4.103 => ras2.mydomain.com ** doesn't like If so, I apologize. > > > > ~Frank > > > > "Bill Grant" <> wrote in message > > news:%... > > > Hi, > > > > > Following Share this item with your network:

The remote PCs are on a network which contains another SBS 2008 domain/domain controller/AD/server.

The type of network they form with their clients is a > > > Bridged > > > > network. So the client is happy. 2. However, I am having trouble understanding your reply. I was sniffing the wrong lamppost !The VPN works fine - The place where I was trying to test it was blocking the GRE packets.

We'll send you an e-mail containing your password. We're a friendly computing community, bustling with knowledgeable members to help solve your tech questions. Hello and welcome to PC Review. http://axishost.net/error-721/error-721-remote-computer-did-not-respond-vpn.php Copyright © 2014 TechGenix Ltd.

Using the router's "real" IP and port forwarding works, because the client sends the request to the router's IP. I suspect a problem with one or more of the Windows networking components on this machine. 2,015 pointsBadges: report saturno Feb 28, 2011 4:03 PM GMT Fine, What was the Can it be an > > ISP > > > related issue? I can also telnet into port 1723 from the remote site.

FTP, WWW, RDP, PCAnywhere, SSL, PPTP, MAIL, etc...all these services are routed to internal servers/workstations. Just click the sign up button to choose a username and then you can ask your own questions on the forum. By submitting you agree to receive email from TechTarget and its partners. Please try again later.

After that, I had to go in to the Netopia NAT translation menu - show/change MAP list and make sure that the static nat I had set up to translate between How to fix the Error 721 To resolve this error, you need to configure the network firewall so as to permit the GRE protocol 47. Now that you use > a > > fixed IP, it always works. > > > > Incidently, you do not need to forward port 47.