Microsoft SQL Server Native Client 64 bit 10.50.1600.1

for /f "delims=" %%x in ('dir /b *.msi') do set setup=%%x
mkdir .Npackd
move "%setup%" .Npackd
set err=%errorlevel%
if %err% neq 0 exit %err%

rem MSIFASTINSTALL: http://msdn.microsoft.com/en-us/library/dd408005%28v=VS.85%29.aspx
msiexec.exe /qn /norestart /Lime .Npackd\InstallMSI.log /i ".Npackd\%setup%" INSTALLDIR="%CD%" ALLUSERS=1 MSIFASTINSTALL=7 IACCEPTSQLNCLILICENSETERMS=YES
set err=%errorlevel%
type .Npackd\InstallMSI.log

rem list of errors: http://msdn.microsoft.com/en-us/library/windows/desktop/aa368542(v=vs.85).aspx
rem 3010=restart required
if %err% equ 3010 goto cont
if %err% neq 0 exit %err%

:cont

move .Npackd\*.msi .
for /f "delims=" %%x in ('dir /b *.msi') do set setup=%%x

rem MSIFASTINSTALL: http://msdn.microsoft.com/en-us/library/dd408005%28v=VS.85%29.aspx
msiexec.exe /qn /norestart /Lime .Npackd\UninstallMSI.log /x "%setup%" MSIFASTINSTALL=7
set err=%errorlevel%
type .Npackd\UninstallMSI.log

rem 3010=restart required
if %err% equ 3010 exit 0

rem 1605=unknown product
if %err% equ 1605 exit 0

if %err% neq 0 exit %err%