Silently install SQL Server 2014 from iso

install_sql2014.ps1

mkdir c:\temp
Write-Host("Install Hotfix to allow .Net 3.5 installation")
Invoke-WebRequest http://download.microsoft.com/download/8/0/8/80894270-D665-4E7A-8A2C-814373FC25C1/NDPFixit-KB3005628-X64.exe -OutFile c:\temp\NDPFixit-KB3005628-X64.exe
Start-Process "c:\temp\NDPFixit-KB3005628-X64.exe" -NoNewWindow -Wait

Write-Host("Enabling .NET Framework 3.5")
Import-Module ServerManager
Add-WindowsFeature Net-Framework-Core

Copy c:\vagrant\en_sql_server_2014_standard_edition_x64_dvd_3932034.iso c:\temp\
$ImagePath = "c:\temp\en_sql_server_2014_standard_edition_x64_dvd_3932034.iso"
Mount-DiskImage -ImagePath $ImagePath -StorageType ISO
$ISODrive = (Get-DiskImage -ImagePath $ImagePath | Get-Volume).DriveLetter
Write-Host("Installing SQL Server 2014 Standard")
Start-Process "${ISODrive}:\setup.exe" '/ACTION=Install /IACCEPTSQLSERVERLICENSETERMS /Q /FEATURES=SQL,ADV_SSMS /SECURITYMODE=SQL /SAPWD="Passw0rd!" /SQLSYSADMINACCOUNTS="BUILTIN\Administrators" /INSTANCENAME=MSSQLServer /SQLSVCACCOUNT="NT Authority\Network Service"' -NoNewWindow -Wait
Write-Host("SQL Server 2014 Standard installed")
cd c:\
Dismount-DiskImage -DevicePath (Get-DiskImage -ImagePath $ImagePath).DevicePath