http://blogs.msdn.com/b/virtual_pc_guy/archive/2011/12/30/converting-to-a-fixed-virtual-hard-disk-for-a-server-core-installation.aspxMy last challenge for getting all of my server virtual machines over to fixed-size virtual hard disks is moving some of my Windows Server 2008 R2 virtual machines.&#160; As a reminder, the goal here is to move a virtual machine on a large dynamicallyen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/virtual_pc_guy/archive/2011/12/30/converting-to-a-fixed-virtual-hard-disk-for-a-server-core-installation.aspx#10252148Sat, 31 Dec 2011 00:02:18 GMT91d46819-8472-40ad-a661-2c78acb4018c:10252148Neville<p>thanks for these posts Ben,</p> <p>Another technique we have used is software mirroring:</p> <p>- create a fixed disk and add to the VM</p> <p>- mirror the dynamic disk to the new fixed disk</p> <p>- when the mirror has completed, shut down the VM and remove the dynamic disk</p> <p>- boot the VM from the fixed VHD</p> <p>- break the mirror</p> <p>- use bcdedit to remove make the fixed VHD the default and remove the old dynamic disk entry</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=10252148" width="1" height="1">