To customize a predefined security template
Open Security Templates.
In the console tree, double-click the default path folder (systemroot\Security\Templates), and in the details pane, right-click the predefined template you want to modify.
Click Save As, type a new file name for the security template, and click Save.
In the console tree, double-click the new security template to display the security policies, and navigate until the security attribute you want to modify appears in the details pane.
Right-click the security attribute and click Properties.
Select the Define this policy setting in the template check box, make your changes, then click OK.
To open Security Templates, click Start, and click Run, then type mmc and click OK. On the File menu, click Open, click the console that you want to open, then click Open. Then, in the console tree, click Security Templates.
Only administrators have the permissions to make any changes to the default security template folder, which is: