Also review this KB article: http://support.microsoft.com/kb/158530
These are the details of the recent Exchange Server editions in that KB article:
Microsoft Exchange Server 2007 - 8.0.685.24 or 8.0.685.25 - December 2006Microsoft Exchange Server 2007 SP1 - 8.1.0240.006 - November 2007Microsoft Exchange Server 2007 SP2 - 8.2.0176.002 - August 2009Microsoft Exchange Server 2010 - 14.00.0639.021 - October 2009
Follow the steps to optimize and performance tune you .VHD file for a MS Virtual PC virtual machine.
Option A: Capture the Virtual Disk Precompactor .ISO7A1. Located at c:\program files\microsoft virtual pc\virtual machine additions\virtual disk precompactor.iso
7A2. Run the Precompactor From within the VPC
Option B: Or use Heidi Eraser7B1. Alternatively use this free space zeroing tool from http://www.heidi.ie/eraser/
8. Shutdown VPC9. Run the VPC2007 Virtual Disk Wizard. Select Edit existing disk and later use Compact option.
The articles below cover the details on how to backup the Hyper-V virtual machines running on Windows 2008 Server using the Windows Server Backup tool.
To register for the free webinar, go to Calendar section on left and register for a session there