Microsoft Exchange Server 2007 SP1: An OverviewIf you've been waiting for the first service pack before you deploy, now's the time. New functionality includes a new method of replication and improvements to unified messaging, Outlook Web Access, public folder management, and many other features. Windows Vista and Server 2008 Group Policy EnhancementsGroup Policy and GPMC changes in Vista and Server 2008 include using the Group Policy Client service instead of Winlogon, using NLA to improve slowlink detection, adding settings for multiple local GPOs, adding the new ADMX format for Administrative Templates, improving logging with the Group Policy Operational Log, and improving security capabilities.Windows Server 2008 Password PoliciesWindows Server 2003 and Windows 2000 Server let you define only one password policy. Windows Server 2008 introduces fine-grained password policies that let you define different password policies for different domain account categories in a single domain.
Using Content Types in Windows SharePoint Services 3.0Learn how to create and use content types to better organize your SharePoint data.