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vpn and ipsec services

Posted on 2004-03-27
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Last Modified: 2013-11-16
I use a VPN connection (Cisco) to my company computer.  Now I get  "securing communication channel" when trying to connect then "Remote peer terminated connection."  Recently I was playing with Systems Services and I think I disabled IPSec Services and can't seem to get it back. When I try to start it, I get "Could not start IPSec Services on local computer error 10048. Only one usage of each socket address protocol/network address/port is normally permitted."   I've set the startup back to "Automatic"  but IPSEC services will not start.
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Question by:JFU49
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Expert Comment

by:Rich Rumble
ID: 10697026
Sounds like there are more than vpn program on the system, or something else vieing for ipsec. Aol sometimes can do this, or SSH Sentianal, other tunneling progams.
Ipsec only needs to be set to manual, not started really. Uninstall and reinstall the vpn client and certificates also. Did you enable a firewall recently, ICF on XP or add zonealarm... has your companies cert's expired or has their vpn address changed in any way?
I too use the vpn software from cisco, to a 3030 concentrator, it works well, both win32 and linux. I've encountered your error message before, and we needed to update our .pcf files (certs)  to reflect a recent change. We also updated the client software on win32, it works much better now. (4.0.2b)
http://support.microsoft.com/default.aspx?scid=kb;en-us;314831
http://support.microsoft.com/default.aspx?scid=kb;EN-US;q257225
enable oakley logging to better get an understanding of what the error might be: http://www.securityfocus.com/infocus/1526
Also, can you ping the ip or name the vpn is trying to reach...? "Contacting example.com
Cisco release notes for 4.0.2 are here- with possible bugs:
http://www.cisco.com/univercd/cc/td/doc/product/vpn/client/rel402/402aclnt.htm
GL!
-rich
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Expert Comment

by:rengai
ID: 12631932
I use a VPN connection (Cisco) to my company computer.  Now I get  "securing communication channel" when trying to connect then "Remote peer terminated connection."  Recently I was playing with Systems Services and I think I disabled IPSec Services and can't seem to get it back. When I try to start it, I get "Could not start IPSec Services on local computer error 10048. Only one usage of each socket address protocol/network address/port is normally permitted."   I've set the startup back to "Automatic"  but IPSEC services will not start.
Additionaly I had connected my second computer through the same Ethernet port using a crossover cable.
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LVL 38

Accepted Solution

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Rich Rumble earned 375 total points
ID: 12644219
The cisco clients are picky- I think you should try uninstalling, and reinstalling- when I have these problems (similar to yours rengai) that is what fixes it. If possible, try upgrading to a newer vpn client from cisco, after I applied XP service pack2, mine stopped working- uninstall/reinstall did not fix it- but uninstall, upgraded vpn client install did.
-rich
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Author Comment

by:JFU49
ID: 12656207
I uninstalled and re-installed the client and that did the trick.
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LVL 38

Expert Comment

by:Rich Rumble
ID: 12658146
It's sad that that is the fix isn't it... I should do more research when this happens again- maybe there is something else that can be done... thanks again.
-rich
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