具体的下载地址为： Windows SharePoint Services Service Pack 2 http://www.microsoft.com/downloads/details.aspx?FamilyID=9c552114-dc9a-43ee-9281-b080b7c280b4&DisplayLang=en
至于具体在Windows SharePoint Services Service Pack 2中有哪些改进，可以看看下面的文章： Description of Windows SharePoint Services Service Pack 2 http://support.microsoft.com/kb/887624
还有在Windows SharePoint Services Service Pack 2中修复的问题列表： Issues that are fixed in Windows SharePoint Services by Windows SharePoint Services Service Pack 2 http://support.microsoft.com/?id=906336