You may use the following Group Policy Object (GPO) settings to configure the screen saver settings in a Windows Server 2003 R2 Active Directory (AD) domain.

To configure the password protected screen saver after ten (10) minutes of activity open the Group Policy Management Console (GPMC) and create a Group Policy. This may be done by right clicking the Group Policy Objects organizational unit (OU) and selecting New. Additionally, you may right click the OU that contains the desktop(s) of your user(s) and selecting Create a GPO in this domain, and Link it here…. In the new New GPO dialog box name the GPO Screen Saver. Right click the newly created GPO and select Edit…from the context menu. Once the GPO opens navigate to the following setting.

User Configuration > Policies > Administrative Templates > Control Panel > Personalization

Enable the following four settings. 1) Enable Screen Saver, 2) Force Specific Screen Saver (Screen saver executable name: C:\Windows\System32\scrnsave.scr), 3) Password protect the screen saver, 4) Screen saver timeout (Seconds: 600).

In this example the screen saver chosen (scrnsave.scr) is the blank screen saver available in Windows XP and Windows 7.

Enjoy!