Top free Microsoft server tools: Active Directory Migration Tool 3.2
With Microsoft recently dropping support for Windows 2000 systems, the need to migrate existing Active Directory forests has become paramount for most organizations. Active Directory Migration Tool (ADMT) 3.2 provides an easy-to-use inter/intra-organizational migration toolset to help you migrate or restructure existing AD forests. This free, fully functional tool enables you to migrate users, groups, service accounts, workstations, and servers between domains in the same forest (intra-forest) or in different forests (inter-forest). ADMT 3.2 also performs security translations and can move SIDs, passwords, local profiles, and more. The most recent 3.2 version also supports Windows Server 2008 R2.
Download: Active Directory Migration Tool 3.2
Top free Microsoft server tools: Exchange 2010 Deployment Assistant
Whether you're deploying a brand-new Exchange 2010 installation or upgrading from Exchange 2003/2007, Exchange 2010 Deployment Assistant will be a lifesaver. This free Web-based tool simply asks you a few questions about your current environment, then offers a list of deployment steps. It sounds simple enough, but the steps include full explanations, clear instructions, and links to overviews on what you are doing and why. The deployment assistant is so good that admins have recommended Microsoft make more of these types of tools available for every product it creates.
Download: Exchange 2010 Deployment Assistant
Top free Microsoft server tools: Exchange Remote Connectivity Analyzer
If you've ever deployed an Exchange server and needed a way to test your remote connectivity without jumping through hoops, this is the tool for you. Whether you want to test mobile connectivity, Outlook Anywhere connectivity (aka RPC over HTTP), auto-discovery, or simply your server's ability to send and receive email, the Remote Connectivity Analyzer will assist. Choose the test you want to run, supply some necessary information, and off this Web-based tool goes. If your system fails the test, Exchange Remote Connectivity Analyzer (ExRCA) will report back what failed and why. What is amazing about ExRCA is that you can drill through the layers to see exactly what failed, as well as resolutions for your particular problem within Exchange.