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$sourceDir = 'C:\SourceDir\'
$targetDir = 'C:\DestDir\'

Get-ChildItem $sourceDir -Filter "*" -Recurse |` 
  Where-Object {$_.LastWriteTime -gt (Get-Date).addDays(-1) -and -not $_.PSIsContainer} |`
  foreach {
    $targetFile = $targetDir + $_.FullName.SubString($sourceDir.Length);
    New-Item -ItemType File -Path $targetFile -Force;
    Copy-Item $_.FullName -destination $targetFile
  }

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# Reset Windows COM port settings

# 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\COM Name Arbiter' ComDB
$path='HKLM:\SYSTEM\CurrentControlSet\Control\COM Name Arbiter'
Set-ItemProperty -Path $path -Name Test -Value ([byte[]](0x01)) -Verbose

# 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Ports' 
$path='HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Ports'
Get-ItemProperty $path | Get-Member -MemberType NoteProperty | where Name -like 'COM*' | foreach { Remove-ItemProperty -Path $path -Name $_.Name -Verbose } 

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# check GPO files on SYSVOL for every .adm and .admx file has a correspondant resource .adml file in language sub dir.
# https://learn.microsoft.com/en-us/troubleshoot/windows-server/group-policy/create-central-store-domain-controller
# 

$p='\\ad.contoso.local\sysvol\ad.contoso.local\Policies\PolicyDefinitions'
$langdirs= Get-ChildItem -Path $p -Directory -Filter '*-*'

Set-Location -Path $p

$adm = Get-ChildItem -Path $p -File 

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$LogPath='C:\Temp'
$LogPath+='\'
$LogFilename='Filename.log'

# Use RegEx named capture groups for automatic PropertyName e.g. (?<GroupName>.+)
$LogPattern='^(?<date>\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}:\d{2},\d{3})\s(?<level>[A-Z]+)\s(?<component>\[[\w.]+\])\s\((?<object>\S+)\)\s(?<exception>[\w\s:.\(\)]+)\s\[(?<eceptionid>\d+)\]\s(?<error>\w+)\s(?<errorid>[-\d]+)'
$A=Select-String -Pattern $LogPattern -Path $LogPath$LogFilename

$Output = @()
foreach ($M in $A.Matches) {

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# Lists all active local TCP ports and ask which to check for connections
# https://gist.github.com/winkler-winsen/f8f7ac2d25bae2c92b05ce20389b2d1a

(Get-NetTCPConnection -State Established | 
    Where-Object -FilterScript { $_.LocalAddress -notlike '127.0.0.1' -and $_.LocalAddress -notlike '::1' } | 
    Sort-Object -Unique LocalPort  |
	Select-Object @{L="Proto"; E={"TCP"}}, 
	    LocalAddress, 
	    LocalPort, 
	    @{L="Connections"; E={((Get-NetTCPConnection -State Established -LocalPort $_.LocalPort).Count)}},

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# source: https://devblogs.microsoft.com/scripting/use-powershell-to-work-with-any-ini-file/
# alternatively you can use PsINI Module https://www.powershellgallery.com/packages/PsIni/3.1.2

function Get-IniContent ($filePath)
{
    $ini = @{}
    switch -regex -file $FilePath
    {
        “^\[(.+)\]” # Section
        {

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# https://learn.microsoft.com/en-us/sql/powershell/download-sql-server-ps-module?view=sql-server-ver16
$creddi=Get-Credential		# DB user credentials
$sqlsrv='ITK-AG2'		# DB server
$dbnames='itkh_*'		# DB table search pattern or just the name
$share='\\PC7231\Freigabe\'	# Network share for backup place. SQL server must have write rights onto it
$now=Get-Date -Format 'yyyymmdd_HHmmss'
Get-SqlDatabase -ServerInstance $sqlsrv | 
	Where-Object -FilterScript { $_.Name -like $dbnames}  |
	ForEach-Object { 
		Backup-SqlDatabase -Credential $creddi -ServerInstance $sqlsrv -Database $_.Name -CopyOnly -BackupFile "$share$now.$sqlsrv.$($_.Name).sqlbak"

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(Get-NetUDPEndpoint  | 
	Select-Object @{L="Proto"; E={"UDP"}}, 
		LocalAddress, 
		LocalPort, 
		OwningProcess, 
		@{L="Process"; E={((Get-Process -ID $_.OwningProcess).Name)}}, 
		@{L="Path"; E={((Get-Process -ID $_.OwningProcess).Path)}}) + 
	(Get-NetTCPConnection -State Listen | 
		Select-Object @{L="Proto"; E={"TCP"}}, 
		LocalAddress, 

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$Path='C:\'
$SearchFiles=@(
  '.exe',
  '.dll'
  )

Write-Host "Suche Dateien..."

Write-Host "--------- GCI -------------"
Measure-Command {

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$LogPath = "E:\"
$LogMaxDays = -30

$CurrentDate = Get-Date
$DateToDelete = $CurrentDate.Date.AddDays($LogMaxDays)
Get-ChildItem -Path $LogPath -File -Filter '*.log' | Where-Object LastWriteTime -LT $DateToDelete | Remove-Item -Confirm