-- We can perform this task with Group Policy Preferences ( these are introduced with server 2008).
Group Policy Preferences can be either managed by a server 2008
or a Vista machine with RSAT installed on it and no need for the Server 2008 but One windows Vista machine is
required to understand and manage Group Policy Preferences .
Steps should go like this :-
-- On vista machine install Microsoft Remote Server Administration Tools for Windows Vista .then You have to go to
Start\Control Panel\Programs and Features\Turn Windows Features On and Off. Scroll down the list and expand
"Remote Server Administration Tools" Expand "Feature Administration Tools" Turn on "Group Policy Management Tools.
-- You have to install " Group Policy Preferences in Windows Server 2008 Client Side Extensions" on all the
machines on the network so that they can understand the Preferences .You can use Software deployment for this .
-- After this we have to follow following Steps :-
1. open GPMC console, right-click a GPO and select Edit.
2. Navigate to User Configuration\Preferences\Control Panel Settings\internet Settings.
3. Right-click Internet Settings, select New, select Internet Explorer 7.
4. In the New Internet Explorer 7 Properties window, type the home pages in the Home page box. For example:
http://www.yahoo.com/
http://www.gmail.com
5. Press F6 to enable the setting.
To Enable and Disable Settings in a Preference Item:-
http://technet.microsoft.com/en-us/library/cc754299(WS.10).aspx
6. Click OK.
After that, please run gpupdate /force on the domain workstations to apply the policy