Ms Sql Server Express Portable May 2026

Between SQL Server 2005 and 2012, Microsoft experimented with (also called RANU — Run As Normal User). An application could attach a database file ( .mdf ) directly via a connection string without a full service installation.

if ($Action -eq "Install") sc.exe create "MSSQL $$InstanceName" binPath= " "$BinPath " -s$InstanceName" start= auto New-Item -Path $RegPath -Force elseif ($Action -eq "Remove") net stop "MSSQL $$InstanceName" 2>$null sc.exe delete "MSSQL $$InstanceName" Remove-Item -Path $RegPath -Recurse -Force -ErrorAction SilentlyContinue Write-Host "Service removed from this machine." ms sql server express portable

E:\SQL2019_Setup.exe /Q /ACTION=Install /FEATURES=SQLENGINE /INSTANCENAME=SQLEXPRESS /SQLSVCACCOUNT="NT AUTHORITY\NETWORK SERVICE" /AGTSVCACCOUNT="NT AUTHORITY\NETWORK SERVICE" /SQLSYSADMINACCOUNTS="BUILTIN\ADMINISTRATORS" /INSTANCEDIR="E:\SQLExpress" /SQLUSERDBDIR="E:\SQLExpress\Data" /SQLUSERDBLOGDIR="E:\SQLExpress\Logs" /TCPENABLED=1 /BROWSERSVCSTARTUPTYPE="Automatic" /IACCEPTSQLSERVERLICENSETERMS This forces all binaries, system databases, user databases, and logs onto the USB drive. Save the following PowerShell script as StartSQL.ps1 on the root of the USB drive. Between SQL Server 2005 and 2012, Microsoft experimented

sc create "MSSQL$%INSTANCE%" binPath= "%SQLROOT%\MSSQL\Binn\sqlservr.exe -s%INSTANCE%" start= auto reg add "HKLM\SOFTWARE\Microsoft\Microsoft SQL Server%INSTANCE%\MSSQLServer\Parameters" /v SQLArg0 /d "-s%INSTANCE%" /f net start MSSQL$%INSTANCE% Save the following PowerShell script as StartSQL

if (-NOT ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) Write-Host "Administrator rights required to create/remove service." -ForegroundColor Red exit 1

param([string]$Action="Start") $Drive = (Get-Location).Drive.Root $InstanceName = "SQLEXPRESS" $BinPath = "$Drive\SQLExpress\MSSQL15.SQLEXPRESS\MSSQL\Binn\sqlservr.exe" $RegPath = "HKLM:\SOFTWARE\Microsoft\Microsoft SQL Server\SQLEXPRESS\MSSQLServer\Parameters"