The Remote Server Administration Tools (RSAT) for Windows 7 can be downloaded from Microsoft's web site:
After downloading and installing the tool on your Windows 7 computer, use the Turn Windows features on or off function to enable AD management tools.
- From the Control Panel, click on Programs.
- Under Programs and Features, select Turn Windows features on or off.
- Under Remote Server Administration Tools > Role Administration Tools, select AD DS and AD LDS Tools.