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Error 721 Remote Computer Did Not Respond Vpn Connection

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 How to challenge optimized player with Sharpshooter feat How to make denominator of a complex expression real? Any other service will work > > perfectly when NATed regardless from which IPs static public IP's they > come > > in. This is a widely held > belief (even router manufacturers use it in their documentation), but it is > false. http://axishost.net/error-721/error-721-the-remote-computer-does-not-respond.php

Frank Guest Hello everyone, I have FINALLY resolved an ongoing issue with our VPN connections that we have been experiencing for over a year now. We'll let you know when a new response is added. Just click the sign up button to choose a username and then you can ask your own questions on the forum. 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). https://support.microsoft.com/en-us/kb/888201

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 Send me notifications when members answer or reply to this question. 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 for the feed back! 4,585 pointsBadges: report Next View All Replies ADD YOUR REPLY There was an error processing your information.

A Virtual Private Network (VPN) is a service that creates a secure, virtual network on top of public networks such as the... I > would expect it to always fail. Search for a recent change in any of the interfaces of the machine with troubles. I have been able to make this work now by setting it up on another router.

Can a Bridged network be the reason PPTP struggles when NATed to > an > > assigned IP rather than when using the router's IP? The Problem: It can take up 6 retries for any remote user to successfully created a remote PPTP connection to our servers. The type of network they form with their clients is a > > Bridged > > > network. https://www.experts-exchange.com/questions/21334514/VPN-question-error-721-Remote-computer-did-not-respond.html Similarly, I can successfully dial into the central site from my work PC.

Or was this exactly what > > you had interpreted from my previous posting and I am simply missing what > > you're stating? 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. No, create an account now. 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).

Installing the latest Windows XP compatible driver for the modem can also fix the problem in some situations. http://forums.isaserver.org/Disconnected%25_Error_721%25_Remote_computer_did_not_respond%25/m_130177900/tm.htm However, the remote PCs are using the DG834 as their DNS/DHCP/etc. We no longer > have > > to retry up to 6 times to successfully connect. > > > > Conclusion: > > > > I have NO clue as to 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

The only downside is that one end is a dynamic IP address, so the IPSEC doesn't work, so it's unencrypted now. this content The type of network they form with their clients is a > Bridged > > network. 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 is behind a Linksys router). Usually 721 just indicates that GRE is being blocked.

PC Review Home Newsgroups > Windows 2000 > Microsoft Windows 2000 RAS Routing > Home Home Quick Links Search Forums Recent Posts Forums Forums Quick Links Search Forums Recent Posts Articles U need to configure network firewall to permit the GRE (Generic Routing Encapsulation) protocol 47 (if u use the same). 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 weblink ISA server software Monitoring & Admin Reporting Security Services Featured Products Featured Book Order today Amazon.com TechGenix Sites MSExchange.org The leading Microsoft Exchange Server 2010 / 2007 / 2003 resource site.

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. Can it be an ISP related issue? What is required is > IP protocol 47, or GRE.

I will share these findings with this forum in case others can benefit from our situation.

By submitting you agree to receive email from TechTarget and its partners. We don't think that it's authentication; it doesn't seem to get that far. MSPAnswers.com Resource site for Managed Service Providers. They both have their own separate WAN connection (we use a lot of bandwidth, hence the need for two WAN connections).

You will also need to port forward 1723 to the Nat IP address of the Windows 2003 server doing the VPN. other machines on the original network, and another network connect just fine. Send me notifications when members answer or reply to this question. http://axishost.net/error-721/error-721-remote-computer-does-not-respond.php 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,

From you > > original posting, I admit I couldn't see any reason for the problem you > were > > having. > > > > Now that I see you It has > the router's public IP, so it fails. > > 3. I decided to use the > router's > > > public IP address for PPTP requests, instead of one of the other public > IP > > > addresses our ISP