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Error 721 The Computer Is Not Responding

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The only downside is that one end is a dynamic IP address, so the IPSEC doesn't work, so it's unencrypted now. By submitting you agree to receive email from TechTarget and its partners. By submitting you agree to receive email from TechTarget and its partners. Ask Question Free Guide: Managing storage for virtual environments Complete a brief survey to get a complimentary 70-page whitepaper featuring the best methods and solutions for your virtual environment, as well weblink

Whenever we try to connect it > > display > > > the following message: > > > > > > Verifying username and password... > > > > > > I've updated the NIC driver with no success. As already said, it might be a firewall issue. I was sniffing the wrong lamppost !The VPN works fine - The place where I was trying to test it was blocking the GRE packets. https://support.microsoft.com/en-us/kb/888201

Error 721 Vpn Windows Xp

We > > have approximately 32 public IP addresses, hence why we use Multi-NAT for > > routing public services to internal servers. STEP 2: Click "Quick Scan" Button to Scan Your Computer. I searched for such a log for VPN, and could not find it, and the event logs both on the local machine and the remote server do not show any events

Thanks !Jon [ August 30, 2003, 06:26 PM: Message edited by: scriven_j ] Post #: 1 Featured Links* RE: Disconnected. More About Us... I have even shut down the firewall on the local machine without gaining anything. Connect with top rated Experts 11 Experts available now in Live!

This leads em to one of the first things to consider. Error 721 Directv Is "ip nat inside source static tcp 10.0.1.8 x.y.z.58 extendable" enough to make GRE pass through, or is something else needed? 0 LVL 10 Overall: Level 10 Message Author Comment In the end I don't know whether it's a router issue (ie, Netopia has problems routing PPTP requests), or a protocol issue (PPTP has problems when NATed), or whatever. http://www.tech-faq.com/error-721.html PPP LCP Configuration Request PPP LCP Configuration Request PPP LCP Configuration Ack PPP LCP Configuration Reject PPP LCP Configuration Request PPP LCP Configuration Nak

Gary Says: at 4:48 AM worked just like it said. Your name or email address: Do you already have an account? Ask a question, help others, and get answers from the community Discussions Start a thread and discuss today's topics with top experts Blogs Read the latest tech blogs written by experienced I decided to use the > router's > > > public IP address for PPTP requests, instead of one of the other public > IP > > > addresses our ISP

Error 721 Directv

Ask a Question Question Title: (150 char. 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, pop, rdp, pptp, Error 721 Vpn Windows Xp How to Monitor Windows Server 2003 People monitor system resources in order to evaluate their computer workload, observe changes and trends ... The error returned is "721: The remote computer did not respond." I did check ADUC and the user is allowed to connect remotely.

Also make sure that the router has the PPTP enabled and not firewall block the traffic. have a peek at these guys Could setting up RADIUS help? 0 LVL 25 Overall: Level 25 Networking 10 Hardware Firewalls 3 Software Firewalls 2 Message Assisted Solution by:mikeleebrla2005-03-02 the 721 error occurs when you aren't Is the problem on the router or on the VPN server? All the other services work > > perfectly with the router's Multi-NAT table.

Yes, my password is: Forgot your password? But it can > > also result from a reply from the server came from a different IP (ie > > different from the IP address the client used to send). This was ONLY an issue with the PPTP service. check over here All rights reserved.

Please try again later. But it > can > > > also result from a reply from the server came from a different IP (ie > > > different from the IP address the client Any insight into the VPN process would be helpful.

Using the router's "real" IP and port forwarding works, because the client sends the request to the router's IP.

I had, as an example, routed ras2.mydomain.com > (208.38.4.103) to some internal IP for PPTP connections only (netopia > routers have PPTP predefined which takes care of TCP port 1723 & Mariodlg2,790 pts. They both have their own separate WAN connection (we use a lot of bandwidth, hence the need for two WAN connections). Join Now For immediate help use Live now!

All I can tell > > you is that our specific problem was resolved by using the router's public > > IP address for PPTP requests and then forwarding that request Newer Than: Search this thread only Search this forum only Display results as threads Useful Searches Recent Posts More... When I'm connecting to the VPN server directly to the internal IP I connnect without problems. this content U need to configure network firewall to permit the GRE (Generic Routing Encapsulation) protocol 47 (if u use the same).

Following Share this item with your network: Problem with Windows Error 721 The Remote Computer Did Not Respond? They both have their own > > separate WAN connection (we use a lot of bandwidth, hence the need for two > > WAN connections). First let me explain the problem. > > > > > > > > The Problem: > > > > > > > > It can take up 6 retries for A Riddle of Feelings Topology and the 2016 Nobel Prize in Physics What Are Overlap Integrals?

There was an error processing your information. Does anyone have any suggestions?Software/Hardware used: Windows XP SP3, Microsoft VPN Client Asked: February 25, 20119:40 PM Last updated: June 27, 20134:57 PM Related Questions Cisco VPN Client error message Cisco I have also tried using the Draytek as the VPN endpoint (instead of it doing pass-through), which again worked successfully from my work PC, but gave the same result from the You need to allow port 1723 TCP for PPTP and GRE, IP Protocol 47.

I and my colleagues are totally stumped - we know each end is fine independently, but for some reason they won't work together. When debugginf this kind of problems, you should disable temporarily any firewall between those two test machines.