PowerShell: Some Tricks in Using the Here-String to Declare Blocks of Code
Trigger COMMAND CLI from within PowerShell # Fastest way to list all files in a…
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PowerShell: Remove an A-Host Record within Active Directory Integrated DNS Domain
Warning: this code is NOT 'production ready'. Please review and test on DEV environments carefully…
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PowerShell: Add Accounts into Local Administrators Group
# addAccountToLocalAdmins.ps1# Requires: PowerShell Version 4.0+$accountToAdd='ServerAdmins'$groupName="Administrators"$servers=@( "CONCU1", 'CONCU2', 'CONCU100', 'CONCU80665', 'CONCU6547354', 'CONWHAT989', 'CONCU3')$servers|%{ $session=new-pssession $_…
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PowerShell: Special Parameter datatype [switch]
# Demo of a simple function to turn lights on and offfunction setLight{ param( [switch]$on,…
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PowerShell: Check DotNet Framework on Windows
function checkDotNetVersions{ # General info: # - Powershell 2.0 latest SSL version support is TLS…
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PowerShell: Fix Clustered Disk Errors
# fixClusterDiskErrors.ps1function selectClusterName{ param($domainName=$env:USERDNSDOMAIN) write-host "Now scanning $domainName for all available cluster names. This may…
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PowerShell: Generate Report of Users and Computers That Have Not Logged On for X Days
# AccountsNotLoginXDays.ps1# Set days$lastLogonDaysExceeding = 120# Gather Users$daysRange = (get-date).adddays(-$lastLogonDaysExceeding)$users=Get-ADUser -properties * -filter {(enabled -eq…
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PowerShell: Change Windows Autolock
# Disable_AutoLock.ps1function changeAutoLock{ param ( [Switch]$disable, [Switch]$enable ) $registryHive = "HKLM:\SOFTWARE\Policies\Microsoft\Windows\Personalization" $registryKey="NoLockScreen" $keyItem = Get-ItemProperty…
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Windows 2012: How To Install DotNet Framework 2.0 & 3.0
If there're HTTPS/TLS issues, run this function: https://blog.kimconnect.com/powershell-enable-tls-1-2-on-legacy-servers/ Toggle WSUS registry key to off prior…
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PowerShell: Windows Defender Controlled Folder Access
# Default Setting of Windows Defender:PS C:\Windows\system32> get-mppreferenceAttackSurfaceReductionOnlyExclusions :AttackSurfaceReductionRules_Actions :AttackSurfaceReductionRules_Ids :CheckForSignaturesBeforeRunningScan : FalseCloudBlockLevel : 0CloudExtendedTimeout…
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PowerShell: An Exercise in Calculating Checksums
$out = new-object byte[] 1073741824; #1GB(new-object Random).NextBytes($out);[IO.File]::WriteAllBytes($dummyFile, $out);Measure-command{$hash=jacksum -a crc8 -x $dummyFile}write-host $hash# New ServerPS…
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PowerShell: Enable TLS 1.2 on legacy servers
# Enable TLS 1.2 on legacy servers function enableTls12{ $windowsVersionNumber=[System.Environment]::OSVersion.Version.Major; #$windowsName=(Get-CimInstance -ClassName Win32_OperatingSystem).Caption; #The term…
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PowerShell: Windows File Migration Tool Using VSS & FastCopy
Update: FastCopy doesn't properly update NTFS permissions of parent directories nor files if those items…
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PowerShell: Hobocopy Backup Software
# hobocopy-backup.ps1# Note: this is a quick snippet to demonstrate the use of this utility.#…
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PowerShell: Get CRC Signature of a File
2/10/20 Update: xxHash will beat both of these in term of speed. Hence, this blog…
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PowerShell: Get MD5 Hashing Signature of a File
# Get-MD5-Hash.ps1# Get-FileHash (PowerShell 4.0+) replacement for Windows 2008. Forward-compatible.function getMd5{ param( $file, $md5 =…
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PowerShell: Find Process IDs of a Locked File and Kill It
There's a newer iteration of this function here. $targetFile='C:\Users\kimconnect\Desktop\testfile.csv' function killPidLockedFile($filename){ if (!(Get-Command handle.exe -ErrorAction…
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PowerShell: Purge User Outlook Profile
# Purge-User-Outlook-Profile.ps1# Set folder path$folderToDelete="$env:localappdata\Microsoft\Outlook";function purgeFolder($path){ mkdir c:\temp -force -ea SilentlyContinue | out-null cd c:\temp…
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PowerShell: How To Make A System App Do Nothing
# How-To-Make-Existing-System-App-Do-Nothing.ps1# Provide variables$hive="REGISTRY::HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\WORDPAD.EXE"$key="(default)"$value="C:\Windows\dummy.exe"$defaultValue="C:\Program Files\Windows NT\Accessories\WORDPAD.EXE"# Dummy-File-Creator.ps1$dummyFile="C:\Windows\dummy.exe"$output = new-object byte[] 1; (new-object Random).NextBytes($output);[IO.File]::WriteAllBytes($dummyFile, $output);if…
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PowerShell: Perform Final Sync Between 2 Directories
Current Version # Final-Sync.ps1# This function performs CRC checks on each file at the source.#…
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