Check out the recently published Windows Vista security guide. This guide provides helpful recommendations on how you can strengthen the security of your client computers running Windows Vista in a domain environment.
The guide also includes step-by-step procedures and tools, such as GPOAccelerator.wsf script which lets you to run a script that automatically creates all the Group Policy objects (GPOs) you need to apply the security guidance. In addition, there’s a Windows Vista Security Guide Settings.xls file included with the guide that you will find useful.
Appendix A is huge and contains security Group Policy settings. You can download the security guide here.
