http://blogs.technet.com/b/johnbaker/archive/2011/12/09/hyper-v-question-of-the-week-vms-require-booting-from-virtual-ide-drives-but-isn-t-scsi-faster-are-we-giving-up-performance-booting-from-virtual-ide.aspxWe know that Hyper-V virtual machines require booting from virtual IDE. Historically, in the physical world, SCSI can provide better performance than IDE.&#160; Does that mean we’re giving up performance booting from virtual IDE? On the surface you’den-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/johnbaker/archive/2011/12/09/hyper-v-question-of-the-week-vms-require-booting-from-virtual-ide-drives-but-isn-t-scsi-faster-are-we-giving-up-performance-booting-from-virtual-ide.aspx#3470107Sat, 10 Dec 2011 02:30:42 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3470107johnbake-msft<p>Thanks for pointing that out. &nbsp;I&#39;ll have to fire my proof reader..... &nbsp;wait thats me... &nbsp;:-)</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3470107" width="1" height="1">http://blogs.technet.com/b/johnbaker/archive/2011/12/09/hyper-v-question-of-the-week-vms-require-booting-from-virtual-ide-drives-but-isn-t-scsi-faster-are-we-giving-up-performance-booting-from-virtual-ide.aspx#3470079Fri, 09 Dec 2011 21:06:50 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3470079LA Richards<p>&quot; virtual SCSI drive doesn’t not affect the boot performance of the virtual machine.&quot;</p> <p>The double negative makes that a little confusing. &nbsp;Could you state it another way? &nbsp;Or remove the double negative. &nbsp;:)</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3470079" width="1" height="1">