Windows System Administrator

NTP

Configuring w32time As NTP Client

Step 1: Stop the time service net stop w32time Step 2: Set the manual peer list of external ser...

Configure NTP Server in AD

Option 1 - Via GPO Setup GPO for NTP Server and apply it to the Domain Controller. Setup GPO ...

Group Policy

Windows Server Audit Policy

Backup To backup existing auditing settings: auditpol /backup /file:C:\Temp\Audit.txt Restore ...

GPO WMI Filters

Hostname Filter Select * From Win32_ComputerSystem Where Name = "ComputerName" Windows 2019 D...

Reset GPO

To clear Local GPO Delete everything inside the GPO folder RD /S /Q "%WinDir%\System32\GroupPol...

Scripts

Get AD User Last Logon and Last Logon AD Server Script

Save this as .ps1 file and run as admin in the Domain Controller Import-Module ActiveDirectory ...

KMS Activation Script

Save this at .bat file and run as admin @echo off :: For unattended mode, run the script with...

Get AD Group Member List Script

Save this as .ps1 file and run as admin in Domain Controller. Simple $groups = (Get-ADGroup -Fi...

Reset Local Account Script

Change line 8 and 9. # Check if the script is running as an administrator if (-not ([Security.P...

Offline WSUS Scan Script

Step 1 - Download Wsusscan2.cab file Download Wsusscn2.cab from official MS website and save it ...

Net User Examples

Local User The command net user is the same as the PowerShell command Get-LocalUser. Command fo...

Test TCP Port

To test TCP connection if open in the destination address PS C:\Windows\system32> tnc 10.1.1.94 ...

Disable TLS 1.0 & 1.1

Copy this and save it into a registry file (disableTLS.reg).Run the file as admin. Windows Regis...

Set Time Zone via CMD

Using Command Prompt Get current time zone. tzutil /g Get all the time zone list in the system...

Harden IIS

Import-Module IISAdministration Get-IISAppPool $apppoolname = Read-Host 'What is the Applicat...