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Vpn Error 721 The Remote Computer

X All Science and Technology Hardware Issues Drivers Multimedia Software Operating Systems Security Software Networking Security PC Optimizer Internet Browsers Communication Software Publishing Software Productivity Software Graphic Design Software Issues Hardware from the guest computer, who sits in a different subnet and uses win xp, i used telnet to verify that the host server can be reached, there was no problem reaching A PPTP connection will definitely fail if GRE is > > > blocked at the router. We'll email you when relevant content is added and updated. http://digitalfishbowl.net/vpn-error/vpn-error-721-the-remote-computer-did-not-respond.html

The other network interfaces are those that have been on the machine since it was new, and never caused a problem ad Mariodlg suggested might be a cause. 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. Read past end of file to recover data Does the reciprocal of a probability represent anything? 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 decided to use the router's public IP address for PPTP requests, instead of one of the other public IP addresses our ISP assigned us, and simply forward PPTP (TCP 1723 If you can connect internally, then your server is setup correctly. Suggested Solutions Title # Comments Views Activity Cisco UC520 Call Transfer Issue 7 66 39d Sonicwall NSA 2400 + whitelist a URL not on port 80 3 22 28d Cat6A Cabeling So for > > example, I might use NAT to redirect WWW which would resolve to > > > to an internal IP on port 80.

This leads em to one of the first things to consider. Password Advanced Search Show Threads Show Posts Advanced Search Go to Page... Error 721: The remote computer did not respond." Here is the strange part: The remote PCs can successfully dial out to another server using VPN. The type of network they form with their clients is a > > Bridged > > > network.

Ask a Question Question Title: (150 char. frederik "Long Path Tool" is very helpfull Search for: ReferenceSoftware Tutorials Unit Conversion Practice Tests Web Tools Site Index Audio-Video Databases Electronics File Compression File Conversion Gaming Graphics Hardware Internet IT Get 1:1 Help Now Advertise Here Enjoyed your answer? Bonuses All I can > > tell > > > > you is that our specific problem was resolved by using the router's > > public > > > > IP address

Thanks. You would need to do a lot of tracing and sniffing to see what actually happens. "Frank" <> wrote in message news:eN#... > Thanks Bill, I can assure you it's a My System Specs System Manufacturer/Model Number Dell XPS 15 L502x OS Windows 7 Ultimate x64 SP1 CPU Core i7-2670QM Memory 8GB DDR3 PC3-10600 Graphics Card Intel HD Graphics 3000 + GeForce Privacy Reply Processing your reply...

I am thinking that something may have happened that tore up the networking components of Windows somewhat, and this is what is causing the problem. 2,015 pointsBadges: report Subhendu Sen Feb http://www.howtonetworking.com/vpnissues/error721.htm Cheers! We'll let you know when a new response is added. then i verified the generic routing encapsulation (gre) is set too, so i've used pptpclnt and pptpserv, and gre check complete successfully.

Can it be an > ISP > > related issue? check my blog We'll let you know when a new response is added. You need to allow port 1723 TCP for PPTP and GRE, IP Protocol 47. I would expect it to always fail.

Send me notifications when members answer or reply to this question. The type of network they form with their clients is a > Bridged > > network. Just to clarify. http://digitalfishbowl.net/vpn-error/vpn-error-721-remote-computer-not-responding.html You will also need to port forward 1723 to the Go to Solution 11 Comments LVL 16 Overall: Level 16 Networking 6 Software Firewalls 4 Hardware Firewalls 3 Message Accepted

What is the purpose of the box between the engines of an A-10? 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 Thanks.

Conclusion: I have NO clue as to why I have to use the router's public IP address rather than any of the other 31 public IP addresses our ISP assigned to

No obligation to buy! I don't really know why sometimes you managed to connect by method 2. We'll email youwhen relevant content isadded and updated. From you > original posting, I admit I couldn't see any reason for the problem you were > having. > > Now that I see you resolution, it triggers off some

By the way, the router's IP is the only pingable public IP, not that that should make any difference at all. 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 I would give the router the first IP address ( and the rest I would use to NAT various services to internal servers (ftp, www, smtp, pop, rdp, pptp, etc). have a peek at these guys The Problem: It can take up 6 retries for any remote user to successfully created a remote PPTP connection to our servers.

This software had installed another network interface and that was the problem. I will > share > > these findings with this forum in case others can benefit from our > > situation. There > have been a few problems with PPTP from time to time with funny error 721 > problems. It is designed to be downloaded as a file, with primary intention… Software Firewalls Citrix NetScaler HTTP Compression Feature Article by: Brian #Citrix #Citrix Netscaler #HTTP Compression #Load Balance NetScaler Virtualization

We have struggled with this for a year > > now. > > > For whatever reason, it struggles to make a successful connection to our > > RAS > > However, the remote PCs are using the DG834 as their DNS/DHCP/etc. iYogi recommend reading the full Disclaimer About Us Press Release Disclaimer Privacy Terms of Use Forums Insights FAQs Blog Videos Complaint Form IoT Platform Tech Articles Careers Contact Us Select If you use IP mapping, the client sends the packet to a pool IP which is > mapped to the RRAS server's LAN IP.

So for > example, I might use NAT to redirect WWW which would resolve to > to an internal IP on port 80. Using some types of routers (without support to NAT-T), and in case it is an L2TP VPN, you might need to tweek Windows XP registry to make it able to connect It has been a while since I have had to use any of the netsh commands. Is "ip nat inside source static tcp 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

Don't confuse TCP port 47 for the GRE protocol (sometimes called protocol 47) these are two totally different things. History Contributors Ordered by most recent Michael Tidmarsh49,285 pts. Allowing TCP port 47 traffic through your router will do nothing for you. In that case I would double check your set up because everything points to the same type of problems with error 721.

Get Access Questions & Answers ? For whatever > reason, > > > this solved our problem with connecting to the RAS server. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. System Security Can one of you gurus help me out ?Can one of you gurus help me out ?

most firmware upgrades disable this now, and its a fight ive fought before. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Like I said, it can take up to 6 retries to successfully > connect > > to > > > our RAS servers (up to 30 retries if the remote user 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. > > When PPTP connections