There is a good chance that you as Administrator has either heard of or used the Exchange Best Practice Analyzer (BPA).

Here are the new Best Practices Analyzers (BPA’s) for Windows Server 2008 R2:

Update for Best Practices Analyzer for File Services for Windows Server 2008 R2 x64 Edition (KB981111)

Update for Best Practices Analyzer for HYPER-V for Windows Server 2008 R2 x64 Edition (KB977238)

Update for Best Practices Analyzer for DHCP Server for Windows Server 2008 R2 x64 Edition (KB977236)

Update for Best Practices Analyzer for Windows Server Update Services for Windows Server 2008 R2 x64 Edition (KB981390)

Update for Best Practices Analyzer for Network Policy and Access Services for Windows Server 2008 R2 x64 Edition (NPAS) (KB977239)

Update for Best Practices Analyzer for Active Directory Rights Management Services for Windows Server 2008 R2 x64 Edition (KB981391)

Update for Best Practices Analyzer for Application Server for Windows Server 2008 R2 x64 Edition (KB981392)

Check http://support.microsoft.com monthly or quarterly for new ones.

Rules Update for Active Directory Domain Services Best Practice Analyzer for Windows Server 2008 R2 x64 Editions (KB980360)
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=45a9c434-163f-47ed-a285-60e1c0b988b9

Rules Update for Remote Desktop Services Best Practice Analyzer for Windows Server 2008 R2 x64 Edition (KB979734)
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=f6caef13-8500-43fa-93a9-640be441b925