Long story short, until CISCO fixes it's VPC client you have two options.
Option 1 is to download and use Shrew VPN Client. That will work just fine with Windows 7 64bit
Option 2 is to create a Dial Up Network to connect to your mobile ISP (that's what I did).
Make sure your HW is properly installed and working before configuring.
Requirements
- A valid SIM card.
- Valid profile information, including a username and password.
- The Access Point Name (APN) of your service provider.
You can find this information by accessing the Profiles screen in Watcher. Once you have your information, exit Watcher.
Add initialization command
- Open the Control Panel.
- Select Phone and Modem Options > Modem.
- Select Sierra Wireless AirCard xxx HSDPA Modem in the list of installed modems.
- Click Properties.
- Select the Advanced tab.
- Type the following command in the Extra initialization commands field:
at+cgdcont=1,"IP","apn", where apn is your Access Point Name
(e.g. for AT&T users, it could be at+cgdcont=1,"IP","ISP.CINGULAR")
Add a new network connection
- Open the Control Panel.
- Select Network and Sharing Centre > Properties.
- Select Set up a connection or network on the left-hand side under Tasks.
- Select Set up a dial up connection under Choose a connection option, then click Next.
- Select Sierra Wireless AirCard xxx HSDPA Modem modem under Choose a connection option.
- Type the following under Type the information from your ISP:
- *99# for the phone number.
- The user name and password provided by your service provider.(e.g. for AT&T users, username and password could be blank.)
- A connection name of your choice. (For example, Aircard_DUN)
- Click Connect. Vista will connect you to the Internet.
- Select Browse the Internet now.
- Select a preferable network location (Home, Work, or Public) under Select a location for the ‘Aircard_DUN’ network. Regular users should select Public.
- Click Close in the Successfully set network settings screen.
You can manage your newly created connection from the Manage network connections option under Network Connections.