1. Download and extract Windows Desktop Search 4.0 administrative template file search.adm
   
2. Open Group Policy Management Console > Right click on Group Policy Objects >  New > Enter name and click OK
3. Right click on your new GPO > Edit
4. Right click on Administrative Templates in Computer configuration > Add/Remove Templates > Add > select extracted search.adm file > Open
5. Close Add/Remove Templates dialog.
6. In GPO expand Computer Configuration > Administrative Templates > Windows Components > Search
7. Edit required settings and deploy GPO as usual.

Windows Server 2003 domain