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Cisco SSL VPN Not Connecting - VPN Client Cannont Verify IP Forwarding Table

Posted on 2008-06-16
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Last Modified: 2009-04-27
I cannot contact to our corporate VPN from outside of our network using the Cisco SSL VPN Client; I am the only user on our network experiencing this issue. When I attempt to connect using the SSL VPN Client, I recieve an error stating "The VPN client was unable to successfully verify the IP forwarding table modifications. A VPN connection will not be established." This error is received after authentication occurs and while the tunnel is being established. Multiple attempts will sometimes result in success but it is rare.

I am Windows Vista Business SP1 (although the error occured before the installation of SP1). Hardware is HP Compaq 6710b.
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Question by:jmcmahon71
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by:billwharton
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there are some known but not proven conflicts with some services on Vista

In services.msc, do you have BonJour printing server? If so, disable it
If it doesn't help, uninstall adobe photoshop CS3 and/or iTunes

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That worked! I did have the BonJour printing server installed and I have Adobe CS3 and iTunes. The BonJour printing service is identified by the service name ##Id_String1.7844F930_1628__4223_B5CC_5BB94B879762##.

After stopping and disabling the service, SSL VPN began working normally.
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