Are you having trouble identifying a few of your WPF controls in Coded UI Test after upgrading to Beta2 or getting a warning during recording? You need to install the automation api 3.0 on the client to get CUIT to identify the virtualized controls in WPF.

Note that this update gets automatically downloaded if you are running Vista as part of the Vista platform update. In case of XP or W2K3, you can install the standalone version from here