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Getting VPN Error 678

Posted on 2006-06-22
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Last Modified: 2012-08-14
Hello,

I have already set up one user to access our network through VPN.  He's able to do this successfully.  I just set up another user's laptop to access our Network via VPN.  Only, I keep getting error 678.  The settings are identical between laptops.  I thought you could have as many users accessing the network through VPN as the number of Ports set up in Routing And Remote Access allowed?

The remote clients laptop is Windows XP.  We're running Windows SBS 2000 on our server with a Netopia Cayman Router.

Thanks for your time and help!

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Question by:dweb937
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by:ded9
ID: 16960054
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by:Rob Williams
ID: 16960085
Are the users connecting from the same site?
Your VPN server has no limits other than bandwidth or hardware limits, but the site from which they are connecting may have a router which only allows a single VPN tunnel. This is common.
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by:ded9
ID: 16960104
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Netscaler Common Configuration How To guides

If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.

 

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by:dweb937
ID: 16960142
Thanks for both your responses.

RobWill -   you said, <Are the users connecting from the same site?>

No, they have different laptops and would be using different internet connections.

ded9 - Unfortunately while this may resolve my problem, I'm not very networking savy and there is a lot I don't know that I would know if I ever got training.  So, I have a hard time following this.

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by:dweb937
ID: 16960167
I've rechecked the settings on the laptop, server, and firewall port forwarding.   There is internet connectivity.
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by:Rob Williams
ID: 16960278
dweb937, a 678 error is usually pretty "early in the game". It tends to indicate not even basic initial connectivity. You just verified Internet access, and although the Windows firewall may come into play, not likely at this point. Since you know your VPN works at the server end I would verify there are no typo's in the the VPN client. The 678 would tend to indicate it cannot find the VPN access point. Does your client configuration uses the server site's IP or a domain name. If using a domain name try the IP as a test, or make sure the name is being resolved correctly by running at a command line    
nslookup   my.domainname.abc
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by:dweb937
ID: 16960477
The client configuration uses the public IP address.  It appears the name is being resolved correctly when I type in nslookup www.domainname.com.
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by:ded9
ID: 16961249
Try uninstalling and reinstalling driver

Reps
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by:Rob Williams
ID: 16961309
Does the problematic user have any other software firewalls installed. such as Symantec, McAfee, Zone Alarm. They can block the VPN connection, though most warn you that the VPN is trying to connect, or allow all outgoing connections by default.
Might be worth enabling on the server site router; "allow Internet requests" or "allow ICMP requests", and see if they can ping the router to confirm a connection.
One other thing to check is the office and remote site should be on different subnet such as 192.168.0.x and 192.168.1.x, however this is not as much of an issue with the Windows VPN and should not affect the basic connection.

As for the driver, what driver would that be ded9 ?
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by:dweb937
ID: 17123540
Sorry for the delay in responding.  You're all going to shoot me I'm afraid.  I was getting error 678 while attempting to connect from within the office.  When I tried to connect from home, it worked perfectly.  Before when testing another notebook at the office, I did not receive error 678.  So, I assumed that there was a problem and I was trying to be proactive with my question to save time.  Sorry if I've wasted your time.  Although, I'm sure that your responses will help someone else.  Thanks for all the responses - I do appreciate it.

I will ask that this question be closed unless someone objects.

Thanks!

dweb937
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by:Rob Williams
ID: 17123930
>>"You're all going to shoot me I'm afraid"
Not at all, it is/was still a problem. Glad to hear you have resolved.
Were you able to connect out in the past with another laptop? Surprised if so. Most routers will not "loopback" out going traffic to the internal network.
I have no problems with closing the question. I cannot speak for ded9 .
Cheers,
--Rob
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Netscaler Common Configuration How To guides

If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.

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