This will be a very short and sweet description on how to monitor Windows Server 2008 R2 from Windows Server 2012

1. Start by installing .NET 4 Framework on the 2008 R2 Server
2. Install Windows Management Framework 3.0 in the 2008 R2 server
3. Run winrm qc in an elevated command prompt on the Windows Server 2008 R2 computer
4. To be able to use BPA on the 2008 R2 server run Enable-PSremoting –Force from an elevated PowerShell prompt
5. Done…