SQL Server Express 2005 will not install: Error 1706
by Steve O Hernandez on Jan.21, 2008, under Technology
An installaton package for the product Microsoft SQL Server Native Client cannot be found. Try the installation again using a valid copy of the installation package ‘sqlncli.msi’
Open the downloaded executable with WinZip / WinRAR, etc. OR run the following command from a command prompt: SQLEXPR.EXE /x:c:\sqlexprtmp
Find the installer package sqlncli.msi and run it.
When prompted, select Uninstall and allow the uninstallation to complete.
Re-run the SQLEXPR.EXE installation executable. No reboot is required.