Remote Administration tools for Windows 2008 x64 R2

Go to 'Server Manager' and....

There's no need to install anything extra downloadable programs on Windows Server 2008 for Remote Management of another Windows Server 2008 box.

Through the Server Manager you can enable additional features. Three features are of special interest when remotely managing a Windows Server 2008 Domain Controller:

1.Remote Server Administration Tools
Roles Administration Tools
Active Directory Domain Services Tools
Active Directory Domain Controller Tools
2.Remote Server Administration Tools
Roles Administration Tools
DNS Server Tools
3.Group Policy Management