A forest is a set of one or more domain trees that do not form a contiguous namespace. All trees in a forest share a common schema, configuration, and global catalog. All trees in a given forest exchange trust according to transitive hierarchical Kerberos trust relationships. Unlike trees, a forest does not require a distinct name. A forest exists as a set of cross-reference objects and Kerberos trust relationships recognized by the member trees. Trees in a forest form a hierarchy for the purposes of Kerberos trust; the tree name at the root of the trust tree refers to a given forest.
The following figure shows a forest of noncontiguous namespaces.
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Summary: Learn how to use the Windows PowerShell adsiSearcher type accelerator to search Active Directory Domain Services (AD DS). Hey, Scripting Guy! I am trying to get in touch with my inner programmer. The problem is that our company has cut head count in the past two years. Jade Tree / Wilmington DE / Celebrating 25 Years of Excellence in Independent music.
This is the ultimate collection of PowerShell commands for Active Directory, Office 365, Windows Server and more.
These commands will help with numerous tasks and make your life easier.
Table of Contents:
Active Directory PowerShell Commands
View all Active Directory commands
Display Basic Domain Information
Get all Domain Controllers by Hostname and Operating
Get all Fine Grained Password Policies
Get Domain Default Password Policy
Gets the password policy from the logged in domain
Backup Active Directory System State Remotely
This will back up the domain controllers system state data. Change DC-Name to your server name and change the Backup-Path. The backup path can be a local disk or a UNC path
AD User PowerShell Commands
This section is all Active Directory user commands
Get User and List All Properties (attributes)
Change username to the samAccountName of the account
Get User and List Specific Properties
Just add whatever you want to display after select
Get All Active Directory Users in Domain
Get All Users From a Specific OU
OU = the distinguished path of the OU
Get AD Users by Name
This command will find all users that have the word robert in the name. Just change robert to the word you want to search for.
Get All Disable User Accounts
Disable User Account
Enable User Account
Get All Accounts with Password Set to Never Expire
Find All Locked User Accounts
Unlock User Account
List all Disabled User Accounts
Force Password Change at Next Login
Move a Single User to a New OU
You will need the distinguishedName of the user and the target OU
Move Users to an OU from a CSV
Setup a csv with a name field and a list of the users sAmAccountNames. Then just change the target OU path.
AD Group Commands
Get All members Of A Security group
Get All Security Groups
This will list all security groups in a domain
Add User to Group
Change group-name to the AD group you want to add users to
Export Users From a Group
This will export group members to a CSV, change group-name to the group you want to export.
Get Group by keyword
Find a group by keyword. Helpful if you are not sure of the name, change group-name.
Import a List of Users to a Group
AD Computer Commands
Get All Computers
This will list all computers in the domain
Get All Computers by Name
This will list all the computers in the domain and only display the hostname
Get All Computers from an OU
Get a Count of All Computers in Domain
Get all Windows 10 Computers
Change Windows 10 to any OS you want to search for
Get a Count of All computers by Operating System
This will provide a count of all computers and group them by the operating system. A great command to give you a quick inventory of computers in AD.
Delete a single Computer
Delete a List of Computer Accounts
Add the hostnames to a text file and run the command below.
Delete Computers From an OU
Group Policy Section
Get all GPO related commands
Get all GPOs by status
Backup all GPOs in the Domain
Office 365 PowerShell Commands
Connect To Exchange Online
This will pop up and ask for credentials
Force Azure Sync
This is for the azure ad sync client.
Force delta sync (only sync changes
Get A List of All Office 365 Users
Get Full mailbox details
Get Calendar Permissions
Enable Remote Mailbox (Hybrid Environment)
Use this command if you have an existing on-premise user that needs an office 365 mailbox. There are other ways to do this but this creates all the attributes in the AD account.
Replace the username and the tenant fields
Activate Bloglovin Login
Windows Server & Client Commands
Get all Services
Get all Processes
Display Network Adapters
Gets detailed about the network adapter installed such as name, status, speed and mac address.
Restart Remote Computers
Get Last Boot Time
This takes a few lines
You can also run this single line to get last boot time
Start a Remote Session
Use this to start an interactive session with a remote computer
Read the Content of a File (Open a file)
This example shows how to read the content of the windows firewall log file
Copy Files & Folders
Use this command to copy an entire folder to another folder. This will copy the folder and all the sub folder/files. The -verbose command will display the results to the console.
Basic PowerShell Commands
Get Execution Policy
Set Execution Policy to Unrestricted
Show PowerShell Version
Get help for a command
Use this to get the help information for a command
Search Get Help
Use this to search the help files. This is useful if you don’t know the command or want to see if one exists.
Get Installed Modules
Use this command to display all the installed modules on a computer
List All Available Modules
This will list all available modules on the computer.
Exporting results to CSV
Add export-csv to the end of commands
Display available commands
This will display all commands that are available based on the modules that are loaded.
Find New Modules
Replace *ntfs* with the keyword you want to search for. This searches modules at https://www.powershellgallery.com/
Install a New Module
Installs modules from https://www.powershellgallery.com/
I found a module called NTFSSecurity, to install it I run this command
Recommended Tool: SolarWinds Server & Application Monitor
This utility was designed to Monitor Active Directory and other critical services like DNS & DHCP. It will quickly spot domain controller issues, prevent replication failures, track failed logon attempts and much more.
What I like best about SAM is it’s easy to use dashboard and alerting features. It also has the ability to monitor virtual machines and storage.