To prevent users from changing a Windows SharePoint Services 3.0 site or a SharePoint Server 2007 site, disable the authoring feature in SharePoint Designer 2007 by editing the Onet.xml file. By default, the Onet.xml file for Windows SharePoint Services 3.0 and for SharePoint Server 2007 is in the following folder:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\12\TEMPLATE\SiteTemplates\\xmlNote Replace the placeholder with the name of the Windows SharePoint Service that is installed on the server.For example, if the English (United States) version of Windows SharePoint Services is installed on the server, the SharePoint Team Site site template is located in the following folder:Drive:\Program Files\Common Files\Microsoft Shared\Web Server   read more »