http://blogs.technet.com/b/filecab/archive/2008/05/02/debunking-a-myth-about-remote-differential-compression.aspxA number of third-party blogs are telling people they can speed up Windows Update downloads, and file copy operations, by turning off the Remote Differential Compression (RDC) feature on Windows Vista. This is 100% false. Neither Windows Update or fileen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/filecab/archive/2008/05/02/debunking-a-myth-about-remote-differential-compression.aspx#3051265Wed, 07 May 2008 01:55:01 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3051265TechNet Archive<p>Some of those myths are kind of amusing, I think :)</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3051265" width="1" height="1">http://blogs.technet.com/b/filecab/archive/2008/05/02/debunking-a-myth-about-remote-differential-compression.aspx#3049116Sat, 03 May 2008 10:06:08 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3049116Mark Sowul<p>I always wonder where people come up with such ridiculous ideas (like the myth about clearing the prefetch folder, or setting it to &quot;5&quot; on XP) - besides, why would MS purposely disable things that would benefit performance in the first place?</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3049116" width="1" height="1">