i Policy Settings, what settings do i set up? under 'per user certificate stores, clear allow user trusted root cas& allow users to trust peer..... under Root Certificate Stores,how do i know which ROOT CAs to trust (then pick) & then what settings do I apply?

Hi, I would like to verify what do you want to achieve? What is the type of the certificate? When you open a certificates folder, the certificates are displayed, along with some details about them, in the right pane. The Intended Purposes column tells you what each certificate is used for. Import or export certificates and private keys http://windows.microsoft.com/en-US/windows-vista/Import-or-export-certificates-and-private-keysNiki Han TechNet Community Support