Better off to get the newly available 64 bit client beta:
February 18, 2010
Due to popular demand, the Cisco VPN Client v5.0.7 open beta is now available!
In addition to serving as a general maintenance release, the Cisco VPN Client 5.0.7 beta is compatible with Windows 7 & Windows Vista 64-bit environments.
A 64-bit specific compatible image is available for installation on these platforms.
Please have communicate feedback (both positive and problems) to cvc-beta@cisco.com.
Key Capabilities available for Beta Testing:
New Platform support – Windows 7 & Windows Vista 64-bit platform compatibility
Software Access: http://tools.cisco.com/support/downloads/go/Redirect.x?mdfid=281940730 (under 5.BETA)
Software is available for download by any customer with a Cisco.com SMARTnet™ enabled login.
Release Notes will be available next week via a link once the download image is selected.
There are currently no plans to support Windows XP 64 bit in the VPN client.