While installing SharePoint 2013 prerequisites on Windows Server 2012 and SQL Server 2012, I have received the error "There was an error installing the prerequisites..." After checking out the logs (under %TEMP%\prerequisiteinstaller.<date>.<time>.log), you quickly learn that prerequisite install failed because of Microsoft SQL Server 2008 R2 SP1 Native Client. To bypass this problem, you can manually download Microsoft SQL Server 2008 R2 SP1 Native Client from http://download.microsoft.com/download/9/1/3/9138773A-505D-43E2-AC08-9A77E1E0490B/1033/x64/sqlncli.msi and install it. After you manually download Microsoft SQL Server 2008 R2 SP1 Native Client, go ahead and restart SharePoint 2013 prerequisite installer. Now SharePoint 2013 prerequisites should install successfully. J