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Merge *.reg file to current user, all users and defaultprofile
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# Writing Current User registry keys in SCCM as System | |
# https://tdemeul.bunnybesties.org/2022/04/writing-current-user-registry-keys-in.html | |
# Modificado 27/06/2022 para UPC (Entorno GET) | |
[CmdletBinding()] | |
param( | |
[Parameter(Mandatory = $true)] | |
[ValidatePattern('\.reg$')] | |
[string]$RegFile, | |
[switch]$CurrentUser, | |
[switch]$AllUsers, | |
[switch]$DefaultProfile | |
) | |
function Write-Registry { | |
param($RegFileContents) | |
$tempFile = '{0}{1:yyyyMMddHHmmssff}.reg' -f [IO.Path]::GetTempPath(), (Get-Date) | |
$RegFileContents | Out-File -FilePath $tempFile | |
Write-Host ('Writing registry from file {0}' -f $tempFile) | |
try { $p = Start-Process -FilePath C:\Windows\regedit.exe -ArgumentList "/s $tempFile" -PassThru -Wait } catch { } | |
if ($null -ne $p) { $exitCode = $p.ExitCode } else { $exitCode = 0 } | |
if ($exitCode -ne 0) { | |
Write-Warning 'There was an error merging the reg file' | |
} else { | |
Remove-Item -Path $tempFile -Force -ErrorAction SilentlyContinue | |
} | |
} | |
if (-not (Test-Path -Path $RegFile)) { | |
Write-Warning "RegFile $RegFile doesn't exist. Operation aborted" | |
} else { | |
if ($CurrentUser -or $AllUsers -or $DefaultProfile) { | |
Write-Host ('Reading the registry file {0}' -f $RegFile) | |
$registryData = Get-Content -Path $RegFile -ReadCount 0 | |
if ($CurrentUser) { | |
Write-Host "Writing to the currenlty logged on user's registry" | |
$explorers = Get-WmiObject -Namespace root\cimv2 -Class Win32_Process -Filter "Name='explorer.exe'" | |
$explorers | ForEach-Object { | |
$owner = $_.GetOwner() | |
if ($owner.ReturnValue -eq 0) { | |
$user = '{0}\{1}' -f $owner.Domain, $owner.User | |
$ntAccount = New-Object -TypeName System.Security.Principal.NTAccount($user) | |
$sid = $ntAccount.Translate([System.Security.Principal.SecurityIdentifier]).Value | |
$RegFileContents = $registryData -replace 'HKEY_CURRENT_USER', "HKEY_USERS\$sid" | |
Write-Host "- $sid" | |
Write-Registry -RegFileContents $RegFileContents | |
} | |
} | |
} | |
if ($AllUsers) { | |
Write-Host "Writing to every user's registry" | |
$res = C:\Windows\system32\reg.exe query HKEY_USERS | |
$res -notmatch 'S-1-5-18|S-1-5-19|S-1-5-20|DEFAULT|Classes' | ForEach-Object { | |
if ($_ -ne '') { | |
$sid = $_ -replace 'HKEY_USERS\\' | |
$RegFileContents = $registryData -replace 'HKEY_CURRENT_USER', "HKEY_USERS\$sid" | |
Write-Host "- $sid" | |
Write-Registry -RegFileContents $RegFileContents | |
} | |
} | |
} | |
if ($DefaultProfile) { | |
Write-Host "Writing to the default profile's registry (for future users)" | |
C:\Windows\System32\reg.exe load 'HKU\DefaultUser' C:\Users\Default\NTUSER.DAT | Out-Null | |
$RegFileContents = $registryData -replace 'HKEY_CURRENT_USER', 'HKEY_USERS\DefaultUser' | |
Write-Registry -RegFileContents $RegFileContents | |
C:\Windows\System32\reg.exe unload 'HKU\DefaultUser' | Out-Null | |
} | |
} else { | |
Write-Warning 'No mode was selected. Operation aborted' | |
} | |
} |
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