How To Connect To Active Directory PowerShell
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This document provides instructions for connecting to Active Directory from Windows PowerShell. It includes prerequisites like having AD installed and configuring firewall ports. The script imports the Active Directory module, connects to AD using credentials, and lists attributes of the "administrator" user if connection is successful. When run, the script prompts for username and password and outputs whether connection was successful or not. If connected, it lists attributes of the specified AD user.
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How To Connect To Active Directory PowerShell
- 1. Windows PowerShell – Connect to Active Directory i | P a g e Table of Contents Overview.......................................................................................................................................................1 Applies To..................................................................................................................................................1 Pre-Requisites ...........................................................................................................................................1 Current Execution Policy...........................................................................................................................2 PowerShell Script – Connect AD ...................................................................................................................2 Code Snippet – Connect to AD..................................................................................................................2 PowerShell Execution – Connect Active Directory (AD) .......................................................................3 PowerShell Output – Key-In Authentication Information.....................................................................3 PowerShell Output – List AD User Attribute.........................................................................................4 PowerShell Output – List AD User Attribute.........................................................................................4
- 2. Windows PowerShell – Connect to Active Directory 1 | P a g e Overview In this guide we will demonstrate, establishing connection to active directory, this script could be run on local active directory or remote AD server. Applies To Tested on Windows 10, Windows 2008 R2 and Windows 2012. Pre-Requisites 1) Active Directory should be installed and configured on the server. 2) Access to Active Directory for the user is needed. 3) Firewall should be configured to enable traffic for port 839 on the AD Server. 4) Launch PowerShell Command Console or PowerShell ISE. To run this script, Execution Policy should be set to either of these “AllSigned” or “RemoteSigned” or “Unrestricted”, you can get current execution policy by running the command; “Get-ExecutionPolicy”. Each Execution Policy type and its purpose is shown in the below table. Policy Type Purpose Restricted No scripts can be run. Windows PowerShell can be used only in interactive mode. AllSigned Only scripts signed by a trusted publisher can be run. RemoteSigned Downloaded scripts must be signed by a trusted publisher before they can be run. Unrestricted No restrictions; all Windows PowerShell scripts can be run.
- 3. Windows PowerShell – Connect to Active Directory 2 | P a g e Current Execution Policy To know the current run the PowerShell cmdlet; Get-ExecutionPolicy To list execution policies that can be configured run the PowerShell cmdlet; Get-ExecutionPolicy -List PowerShell Script – Connect AD In this PowerShell script we will demonstrate only AD connection and list of user, when credentials is issued and connection to AD is successful, “administrator” account attributes will be listed. Code Snippet – Connect to AD This code snippet is for demonstrating “Connecting to Active Directory ”. Clear-Host Set-Location $env:USERPROFILE Push-Location $env:USERPROFILE # # Import Active Directory Module # Import-Module ActiveDirectory
- 4. Windows PowerShell – Connect to Active Directory 3 | P a g e # # Set PS Provider - Active Directory # $ADConnection=New-PSDrive -Name ADDrive -PSProvider ActiveDirectory -Root "DC=ftech,DC=com" - Server f1ind.ftech.com:389 -Credential "ftechvcp.muthukrishna" -ErrorAction Ignore if ($ADConnection.Name -eq 'ADDrive') { if ($ADConnection.Name -eq 'ADDrive') { [System.Console]::Beep(600,500) Write-host "Connected to Active Directory" -BackgroundColor Black -ForegroundColor Green } Set-Location ADDrive: Get-ADuser administrator Set-Location c: Push-Location c: Remove-PSDrive -Name ADDrive } else { Write-host "`nUnable to Connect to Active Directory" -BackgroundColor Black -ForegroundColor Red [System.Console]::Beep(600,500) } PowerShell Execution – Connect Active Directory (AD) When script is executed; the script will ask for credentials and connect to Active Directory is established when the user’s credentials are correct. This script will only list the user after connecting to Active Directory and list user’s attributes, however this script will not check or validate if the user exists or not. PowerShell Output – Key-In Authentication Information When the script is executed user has to key-In the username and password, who has access to active directory.
- 5. Windows PowerShell – Connect to Active Directory 4 | P a g e PowerShell Output – List AD User Attribute When script is executed; once successfully establishing the connection with Active Directory, script will query and list active directory user’s attributes are listed. PowerShell Output – List AD User Attribute In this output the active directory user’s attributes are listed and the user belongs to a different Organization Unit (OU). In this example in the script we have modified the user to be connected and queried.