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VPN connection times out on verifiying username and password

Posted on 2006-11-06
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Last Modified: 2010-04-19
Hi I have a VPN connection to a clients network that I maintain.  The server is behind a BT Router which is configured to forward VPN traffic to the server.  Up until now the connection has been working fine.  How ever I went to connect today and the connection just times out on verifiying username and password.  This has happened before after a power cut at the server end but when I got my client to restart the server I could connect again.  This is not the case this time!  Last week I configured my clients home laptop to connect to the network and that is all working fine.  Im stumped!  Please could you help!
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Question by:bbarr5179
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by:Jeffrey Kane - TechSoEasy
ID: 17895280
Can you provide the Error number provided when it times out?

Jeff
TechSoEasy
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by:bbarr5179
ID: 17899798
I believe it is 721.  However I have got my client to turn off the router and turn it on again and I can now connect.  It is looking like the router will only accept one VPN at a time how can I sort this out?
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by:Jeffrey Kane - TechSoEasy
ID: 17903667
What's the model of the router?

Jeff
TechSoEasy
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by:bbarr5179
ID: 17905271
the router is a bt voyager 220v.  we are looking at changing to a cisco 857 integrated services router
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by:Jeffrey Kane - TechSoEasy
ID: 17920652
I'm not familiar with that router, but a quick search shows that there are problems with VPN if you don't have the latest firmware, which is always a good idea to check anyhow:  http://btbusiness.custhelp.com/cgi-bin/btbusiness.cfg/php/enduser/cci/bt_adp.php?&cat_lvl1=426&cat_lvl2=427&cat_lvl3=440&p_cv=3.440&p_cats=426,427,440&p_faqid=7280

Jeff
TechSoEasy
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by:bbarr5179
ID: 17922727
Thanks for the advice Jeff.  I think my client wants to go ahead with the change to the cisco router anyway.  Is it possible that this router can only take one VPN at a time as this is the standard one that BT send out with their Business broadband package.
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by:Jeffrey Kane - TechSoEasy
ID: 17923938
As I said, I'm not really familiar with that router... it is very conceivable though that a router would limit the number of PPTP connections.  The Cisco 857, for instance, has a limit of 10 users.

Jeff
TechSoEasy
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by:bbarr5179
ID: 17940770
Thanks again as soon as I know if it works you will know.  Thanks for takin the time to comment
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by:bbarr5179
ID: 17977673
I was wondering if port forwarding was the problem.  You see I have set up the current router to forward all incoming VPNs (port 1723) to my VPN server is ther any way that I have not configured this properly and it is preventing two VPNs from being forwarded. Do I need to forward any more ports?
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by:Jeffrey Kane - TechSoEasy
ID: 17983069
What do you mean your "VPN Server"?  Do you mean your SBS?

Jeff
TechSoEasy
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by:bbarr5179
ID: 17989352
sorry yes I mean My SBS server.  Also I just got a cisco 857 integrated services router.  Followed the instructions to to configure it so I could use it instead of the BT one.  But after I have made all the changes and clicked finish it just freezes and does absolutely nothing.  I left it for 20mins Nothing!  So I went into task manager to close the windows and reconnected to it through the browser and guess what no changes had been made I had to put in the factory password to get and try again and it did exactly the same. Any suggesstions?
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by:Jeffrey Kane - TechSoEasy
ID: 17990918
If you're asking about how to configure this router overall... beyond the scope of getting your VPN to work, then you really need to post a separate question.  

Jeff
TechSoEasy
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by:bbarr5179
ID: 17994345
I have asked a seperate question for the router configuration.  Just need to know if I need to forward any more ports to allow more than one vpn? Or if my current config Port forwarding incoming 1723 to my SBS server is enough.
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Jeffrey Kane - TechSoEasy earned 500 total points
ID: 17996292
All you need is 1723 AND GRE Protocol 47 (which is not port 47).  GRE is sometimes called "VPN Passthrough".

Jeff
TechSoEasy
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by:bbarr5179
ID: 17998069
Just as I thought doesnt hurt to double check though.  My currrent config does include GRE47 as well thanks for all your help I will let you know how things go.
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