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ISA VPN Client keeps reconnecting!! Can't contact remote network.

Posted on 2007-11-14
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Last Modified: 2010-07-27
I setup VPN connection using ISA 2006 but when the clients connects, it says the connection is connected, it gets an ip address but the gateway remiains blank and I cannot connect to any of the remote resources. I can't even ping the network i'm trying to VPN into. ISA server says the client is connected in the monitoring section yet the client can't communicate with the network and it keeps reconnecting. "Link to mynetworkconnection failed. Reconnect pending..." Also in the ISA logging section  it says "Closed VPN Connection" when the client loses the connection. What can I do??
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Question by:twcadmin
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4 Comments
 
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Accepted Solution

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Brugh earned 2000 total points
ID: 20285694
How often does the connection reset?

If you open a CMD window while tryin gto connect
Type
route add <OfficeSubnetNumer> MASK <office subnet mask> <VPNAssignedIPAddress>

Then try to ping through it.  I am not familiar with ISA 2006, however, this should shed some light on the situation as
1 - if you CAN ping across once you add the route, the issue is most likely with the ISA configuration as its not handing out a Gateway.
2 - if you CANNOT ping across after you add the route, the issue is most likely a configuration issue as something isn;t matching between the client and server.  Verify you server config matches your client config. (Authentication Type, Protocol uses..etc)

Hopefully we got some ISA geeks on here that had run into this before

hth
 - Brugh

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LVL 9

Expert Comment

by:Brugh
ID: 20285718
just for clarificatoin,,

you will need to replace <officesubnetnumber> with the Remote office subnet number (10.1.1.0)
Example route add (incase you don't know)
route add 192.168.1.0 MASK 255.255.255.0 192.168.1.x

FYI, you don't need to have a configurd "default gateway"  to communicate across the VPN, you just need to have the route setup so that you know how to find Hosts on the remote setup.


 - Brugh

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LVL 5

Author Comment

by:twcadmin
ID: 20288707
interesting thing is that i just tested it from my xp laptop and another vista laptop and it works fine!  I will have to see if that route command helps and find out what the difference is between these laptops!!!
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LVL 5

Author Comment

by:twcadmin
ID: 20290424
Everything works now! i don't get it, i haven't changed anything yet they all work.
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