How to Get AD Computer Information Using PowerShell

Use the Get-ADComputer cmdlet in PowerShell to retrieve Active Directory computer objects. You can specify filters and properties to get detailed information about computers in your domain.

Syntax

The basic syntax of Get-ADComputer is:

• Get-ADComputer -Filter <filter> -Properties <properties>
• -Filter defines which computers to get (e.g., all or specific names).
• -Properties specifies extra details to retrieve beyond the default.

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Get-ADComputer -Filter <Filter> [-Properties <Property1>,<Property2>,...]

Example

This example gets all computers in Active Directory and shows their names and operating system details.

powershell

Get-ADComputer -Filter * -Properties OperatingSystem | Select-Object Name, OperatingSystem

Output

Name               OperatingSystem
----               ---------------
COMPUTER01         Windows 10 Pro
COMPUTER02         Windows Server 2019
COMPUTER03         Windows 11 Enterprise

Common Pitfalls

Common mistakes include:

• Not running PowerShell as a user with permission to query Active Directory.
• Using -Filter incorrectly, such as passing a string without quotes or invalid syntax.
• Expecting all properties by default; you must specify extra properties with -Properties.

powershell

## Wrong: Missing quotes around filter string
Get-ADComputer -Filter Name -eq 'COMPUTER01'

## Right: Correct filter syntax
Get-ADComputer -Filter "Name -eq 'COMPUTER01'"

Quick Reference

Summary tips for Get-ADComputer:

• -Filter: Use * for all computers or a valid filter string.
• -Properties: Add properties like OperatingSystem, LastLogonDate.
• Select-Object: Use to display only needed fields.
• Run PowerShell with Active Directory module loaded and proper permissions.

Key Takeaways

Use Get-ADComputer with -Filter to specify which computers to retrieve.

Add -Properties to get extra details beyond default fields.

Always run PowerShell with Active Directory module and proper permissions.

Use Select-Object to show only the information you need.

Ensure filter strings are correctly quoted and formatted.