Upgrading your Active Directory domains and forests to the Windows Server 2008 R2 functional level can streamline some administrative functions. The biggest benefit of the 2008 R2 forest functional level is the Active Directory Recycle Bin. If you've ever had to use Directory Services Restore Mode to resurrect AD tombstones, you'll love this feature.

How do I enable it?
<ul>
	<li>With a single line of Powershell:</li>
</ul>