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Are you having the same connection issue I was when trying to use the Cisco VPN client?

Here’s what the message looks like:


Just to update, the legacy Cisco VPN client (5.0.07.0440 for x64, 5.0.07.0410 for x86) is working for some people. You need to apply a small workaround as explained below –

• Open Registry editor by typingregedit in Run prompt
• Browse to the Registry Key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CVirtA
• Select the DisplayName to modify, and remove the leading characters from the value data upto "%;" i.e.

♦ For x86, change the value data from something like "@oem8.inf,%CVirtA_Desc%;Cisco Systems VPN Adapter” to "Cisco Systems VPN Adapter”
♦ For x64, change the value data from something like "@oem8.inf,%CVirtA_Desc%;Cisco Systems VPN Adapter for 64-bit Windows” to "Cisco Systems VPN Adapter for 64-bit Windows”

Bad: @oem8.inf,%CVirtA_Desc%,Cisco Systems VPN Adapter for 64-bit Windows
Good: Cisco Systems VPN Adapter for 64-bit Windows

• Try connecting again

Please do revert back if this solution does not work.

source:
http://marcusoh.blogspot.com/2012/06/using-windows-8-with-cisco-vpn.html
http://social.msdn.microsoft.com/Forums/en-US/windowsdeveloperpreviewgeneral/thread/6fe817f3-27fe-4068-995a-aced4508ee3e/