http://blogs.technet.com/b/tothesharepoint/archive/2012/08/20/workaround-sharepoint-2013-preview-prerequisite-installer-doesn-t-install-the-microsoft-sql-server-2008-r2-sp1-native-client.aspxIf you install SharePoint 2013 Preview by running the prerequisite installer (Microsoft SharePoint Products Preparation Tool) and you see this line in the log file: Error: The tool was unable to install Microsoft SQL Server 2008 R2 SP1 Native Client.en-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/tothesharepoint/archive/2012/08/20/workaround-sharepoint-2013-preview-prerequisite-installer-doesn-t-install-the-microsoft-sql-server-2008-r2-sp1-native-client.aspx#3515414Tue, 21 Aug 2012 11:54:22 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3515414Amit Khare - Project Management Consultant<p>Great tip :) </p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3515414" width="1" height="1">