This fixes some issues in the previous BPA and also correctly handles the new Dynamic Memory and RemoteFX features in SP1. No new rules have been added. To install the update, you must already have the Hyper-V BPA installed (http://support.microsoft.com/kb/977238). Note that both the original BPA and this update apply to Windows Server 2008 R2 and Microsoft Hyper-V Server 2008 R2.

While I recommend you have SP1 installed, this update also applies to R2 RTM Hyper-V. A quick summary of the fixes:

• Microsoft Hyper-V Server is no longer flagged as not being a Server Core installation
• Some ECC RAM machines were reported as non-ECC as some non-ECC firmware RAM was being included in the check
• We have not included the File Service role feature in the scan. The reason is that we have observed certain products (Data Protection
• Manager as an example) legitimately creating shares for adminstrative purposes. The BPA no longer flags the presence of a file share as another role being installed. However, please do NOT use your Hyper-V machine as a general purpose file server!
• If you have SP1 and enable RemoteFX, we won't flag the machine as uncompliant due to another role being installed.
• In the case of Windows 7 VMs only, we have increased the permitted consolidation ratio to 12:1 and updated the BPA accordingly to check for compliance.
  

As SP1 changes the minimum supported memory for Windows 7 VMs if DM is enabled, the BPA has been updated accordingly. http://support.microsoft.com/kb/2485986 is the place for all the information on the changes and the download link.

Download At Source (via John Howard blog)

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